free mathematics tutor online help

Online Math Learning Tutorials and resources can be a model for classroom in which students of different strengths, weakness or their capabilities can get unique guidelines. Our tutorials are designed not only for classrooms.

Video tutorials are enhanced for personalizing the learning for each of the student based on his/her capabilities. Students can use the learning resources to build their basics of algebra, matrices, trigonometry, and many more topics by going through the instructions any time.

You can watch the video one or more times as you want to understand your topics. This allows accurate diagnosis of areas in which you are weak. Visit Us : http://www.freematheducation.com

system of equation substitution method

System of Equation 

Free Math Education (Algebra Math) Students learn to solve systems of equations by substitution by first isolating a variable in one of the equations in the system, then substituting its value for the corresponding variable in the other equation. You can also learn to solve the equations by the method of their choice using the following rules: 

if one of the variables cancels out when the equations are added together, then use addition, and if a variable is already isolated in one of the equations, use substitution method.

We also Provide  the math algebra tutorials .

step by step solution substitution method

Substitution Method

 

Calculate value of x and y: Equations are y-x = 3 and 2(x + y) = 14


Solution:
In substitution method, we have a given equation of two variables, x and y.
First, divide in second equation by 2 in both sides.
x + y = 4 …. (1)
y – x = 3 => y = x + 3 ….(2)
Now, put the value of y in equation 1 and solve the equation for x, i.e
x + (x + 3) = 4
x + x + 3 = 4
2x = 4 –3
which gives x = 1/2.

Now, substitute x = 1/2 in any one of the given equation and find the value of y
y = 1/2 + 3
y = 7/2
Answer is : x = 1/2, y = 7/2

Substitution Method Algebra Watch Video

Solving Linear Equation by Substitution Method Algebra Watch Video

 

Q.
4x + 3y = 1 and x = 1 – y
Solution:
In substitution method, we have a given equation of two variables, x and y.
First you put the value of x in other given equation 4x = 2x + 3y and calculate the value of y.
Steps are:
x = 1 –y
Plug ‘x’ in first equation.
4(1 –y) + 3y = 1
Solve this equation for y
4 –4y + 3y = 1
4 –y = 1
y = 3
Substitute y = 1 in any one of the given equation and find the value of other variable
x = 1 –y
x = 1 –3 = –2
Answer is : x = –2, y = 3

Free Algebra Help Tutorials

Algebra Math Problems

Need some help with a few Algebra Math Problems Help? Many algebra topics are available here and these are really help you to understand the key points on algebra course curriculum. 


If this is not what you are looking for, then just fill the form below on the bottom of the section of all the lesson page. 


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Linear programming problem standard form

For developing a general method of solution of a linear programming problem, we used the standard form. The basics of standard form is 

1. Non Negativity Constraints i.e. all the constraints are transformed into equations using the addition and substitution of new non negative constraints and change the equation into standard form. These new varaibles are called as slack or surplus variables and are added if <= sign in constraints and subtract if >= in the constraints.  

It you need any help in algebra math topics then free math education online tutorials are really help you.