\{ 3 x + 5 y = 56
Solve for x
x=\frac{56-5y}{3}
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3x=56-5y
Subtract 5y from both sides.
\frac{3x}{3}=\frac{56-5y}{3}
Divide both sides by 3.
x=\frac{56-5y}{3}
Dividing by 3 undoes the multiplication by 3.
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