SOLUTION: x+8y=76 -x+9y=77

Question 225065: x+8y=76
-x+9y=77
Answer by drj(1380) (Show Source): You can put this solution on YOUR website!
x+8y=76
-x+9y=77

Solved by pluggable solver: SOLVE linear system by SUBSTITUTION

Solve:
We'll use substitution. After moving 8*y to the right, we get:
, or . Substitute that
into another equation:
and simplify: So, we know that y=9. Since , x=4.

Answer: .

I hope the above steps were helpful.

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And good luck in your studies!

Respectfully,
Dr J

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