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Sliva [168]
3 years ago
6

Solve the system of equations by substitution. X=-4y X+5y=2

Mathematics
1 answer:
Eduardwww [97]3 years ago
5 0
X= -4y  let this be equation 1
x+5y=2 let this be equation 2

substitute equation 1 in 2

-4y + 5y = 2

y=2

substitute the value of y in equation 1

x= -4y
x= -4(2)
x= -8
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