SOLUTION: how do i solve this problem? x-7=y and 2y+25=3x

Question 34863: how do i solve this problem? x-7=y and 2y+25=3x
Answer by askmemath(368) (Show Source): You can put this solution on YOUR website!
x-7=y and 2y+25=3x
Re-Arranging
X-Y=7
3X-2Y = 25

Solved by pluggable solver: Linear System solver (using determinant)

Solve:

Any system of equations:

has solution

(x=11, y=4}

Solved by pluggable solver: SOLVE linear system by SUBSTITUTION

Solve:
We'll use substitution. After moving -1*y to the right, we get:
, or . Substitute that
into another equation:
and simplify: So, we know that y=4. Since , x=11.

Answer: .

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