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5x + 2y = 15
y = -3x + 4

Sagot :

X=-7 (hope this helps)
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Khushi2204idn

Answer:

5x+2y=15

y=-3x+4

Substituting the value of y in the first equation..

5x+2(-3x+4)=15

5x-6x+8=15

x = -7

So, y = -3(-7)+4

y = 25

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