\{ 12 x + y = 17
Solve for x
x=\frac{17-y}{12}
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12x=17-y
Subtract y from both sides.
\frac{12x}{12}=\frac{17-y}{12}
Divide both sides by 12.
x=\frac{17-y}{12}
Dividing by 12 undoes the multiplication by 12.
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