Solve the system by substitution. 3y = 5x + 21 (1) X+ y = 7 (2)
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Solve the system by substitution. 3y = 5x + 21 (1) X+ y = 7 (2)
Solve the system by substitution. 3y = 5x + 21 (1) X+ y = 7 (2)
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