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Solve each system bu substution y=-3x+5 5x-4y=-3
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5 votes
Solve each system bu substution

y=-3x+5

5x-4y=-3

User Chocojosh
by
6.9k points

1 Answer

1 vote

y = - 3x + 5

5x - 4y = - 3

5x - 4(-3x + 5) = - 3

5x + 12x - 20 = - 3

17x = 20 - 3

17x = 17

x = 1

y = - 3·1 + 5 = - 3 + 5

y = 2

User BayerSe
by
8.0k points
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