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16 votes
Plz help

what expression should be substituted for y in the equation 5x+2y=25 to solve the system of equations?

4x+y=-12

5x+2y=25


A) -4x-12

B)
-(y)/(4) -3

C)
-(5)/(2)x+(25)/(2)

D)
-(2)/(5)y+5

User AntonyG
by
4.4k points

1 Answer

8 votes
answer: A

solve the first equation for y
4x + y = -12
subtract both sides by 4x
y = -4x - 12
User PMental
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