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24 September, 17:45

Solve the system of equations by substitution.

X=-4y

X+5y=2

+2
Answers (1)
  1. 24 September, 18:32
    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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