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How do I solve this problem

How do I solve this problem
asked 161k views
5 votes
How do I solve this problem

How do I solve this problem-example-1
asked
User Aaron Vanston
by
8.7k points

1 Answer

4 votes
-2(5x+y)=9
10x-7y=-18

-10x-2y=-18 10 x cancel
10x-7y=-18

-9y=-36
y=4

5x+y=9
plug in y and get x and done

5x+4=9
x=1


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User Page
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7.2k points
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