Solve the system of equations by substitution y=1-x; -2x+y=4

asked Nov 26, 2022 97.5k views

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6 votes

Answer:

$\displaystyle [-1, 2]$

Explanation:

$\displaystyle -2x + [1 - x] = 4 → 4 = 1 - 3x → (3)/(3) = (-3x)/(3); -1 = x, 2 = y \\ \\ [-1, 2]$

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Just Rudy answered Dec 3, 2022

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