SOLUTION: Solve each system by the substitution method: x = -3y + 2 7y = 3x

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Question 178365: Solve each system by the substitution method:
x = -3y + 2
7y = 3x
Answer by Alan3354(69443) About Me  (Show Source):
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Solve each system by the substitution method:
x = -3y + 2
7y = 3x
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x is already given in terms of y in the 1st eqn, so sub into the 2nd.
7y = 3*(-3y+2)
7y = -9y+6
16y = 6
y = 3/8
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x = -3y+2
x = (-9/8)+2
x = 7/8