X + 8y = 18 and — 5x + 3y = -4

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asked Feb 24, 2021 44.4k views

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Madagaga · Answer 1 · 2021-02-25T03:54:59+0000

X+8y=18

-5x+3y=-4

Multiply the first equation by 5

Add the two equations together

5x+40y=90

-5x+3y=-4

43y=86

Y=2

Plug y into one equation to find x

X+16=18

X=2

Josbel Luna · Answer 2 · 2021-03-02T09:40:28+0000

X+8y=18
-5x+3y=-4

Multiply the first equation by 5
Add the two equations together

5x+40y=90
-5x+3y=-4
43y=86
Y=2

Plug y into one equation to find x
X+16=18
X=2

X + 8y = 18 and — 5x + 3y = -4

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