SOLUTION: by substituion..... 3x+5y=25 x-2y=10

Question 215235: by substituion.....
3x+5y=25
x-2y=10
Answer by drj(1380) (Show Source): You can put this solution on YOUR website!
By substituton.....

3x+5y=25
x-2y=10

The following will solve the linear system of equations by substitution...

Solved by pluggable solver: SOLVE linear system by SUBSTITUTION

Solve:
We'll use substitution. After moving 5*y to the right, we get:
, or . Substitute that
into another equation:
and simplify: So, we know that y=-0.454545454545455. Since , x=9.09090909090909.

Answer: .

I hope the above steps were helpful.

For free Step-By-Step Videos on Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra or for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.

And good luck in your studies!

Respectfully,
Dr J
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