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Fudgin [204]
3 years ago
10

How do I solve this problem

Mathematics
1 answer:
erik [133]3 years ago
4 0
-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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