Question: 1 Solve each system by substitution 1 2x 7y 1 7x y 20 2 2 8x 5y 1 y 3 B2

1 Solve each system by substitution 1 2x 7y 1 7x

y 20 2 2 8x 5y 1 y 3 B2

1 Solve each system by substitution 1 2x 7y 1 7x y 20 2 2 8x 5y 1 y 3 B2

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