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tatyana61 [14]
3 years ago
15

What is the answer? x+y=15 -2x+5y=-2​

Mathematics
1 answer:
zavuch27 [327]3 years ago
6 0
Multiply the first equation by 2

2x + 2y =30

now we’ll add the second equation to the first equation

2x + 2y =30
-2x+5y= -2

7y=28

divide by 7

y=4

now plug y back into the first equation

x + 4 = 15

subtract 4

x=11
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