2 years ago

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

1 answer:

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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