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5x +y=8 2x +y = 32 how do i solve this using the system of elimination? (only using + and -) helppp
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25 votes
25 votes
5x +y=8

2x +y = 32
how do i solve this using the system of elimination? (only using + and -) helppp

User NiravS
by
3.9k points

1 Answer

14 votes
14 votes
take away the bottom equation from the top so the y’s cancel out
3x = -24
x therefore = -8
and put x back into the equation to find out y
2(-8) + y= 32
-16 + y =32
y= 48
User Allen Bauer
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3.0k points
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