SOLUTION: 4x+7y=29 5x+8y=34 Elimination method

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Question 1061810: 4x+7y=29
5x+8y=34
Elimination method
Answer by Boreal(15235) About Me  (Show Source):
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4x+7y=29
5x+8y=34; multiply top by -5 and bottom by 4 to eliminate the x
-20x-35y=-145
20x+32y=136
-3y=-9, adding
y=3
substitute into the first for x
4x+7(3)=29
4x=8
x=2
(2,3)
Check in the second
5(2)+8(3)=34 checks.