SOLUTION: -5u+2x=22 -u-6x=34

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Question 862467: -5u+2x=22
-u-6x=34
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Multiply eq. 1 by 3 and add the equations together.
-15u%2B6x-u-6x=66%2B34
-16u=100
u=-100%2F16
highlight%28u=-25%2F4%29
Then use either equation to solve for x.
25%2F4-6x=34
-6x=34-25%2F4
-24x=136-25
-24x=111
x=-111%2F24
highlight%28x=-37%2F8%29