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Mathematics, 27.03.2020 19:56 lilianamichelle41

Solve these systems using substitution

7) -4x – 4y = 0
y=x - 4

9) 2x - 4y = -2
x + 2y = -5

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Solve these systems using substitution

7) -4x – 4y = 0
y=x - 4

9) 2x -...

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