Solve for y
y=-\frac{x_{2}}{4}+\frac{3}{2}
Solve for x_2
x_{2}=6-4y
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4y=6-x_{2}
Subtract x_{2} from both sides.
\frac{4y}{4}=\frac{6-x_{2}}{4}
Divide both sides by 4.
y=\frac{6-x_{2}}{4}
Dividing by 4 undoes the multiplication by 4.
y=-\frac{x_{2}}{4}+\frac{3}{2}
Divide 6-x_{2} by 4.
x_{2}=6-4y
Subtract 4y from both sides.
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