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y=-\frac{1}{2}x+1
Combine -\frac{3}{2}x and 1x to get -\frac{1}{2}x.
-\frac{1}{2}x+1=y
Swap sides so that all variable terms are on the left hand side.
-\frac{1}{2}x=y-1
Subtract 1 from both sides.
\frac{-\frac{1}{2}x}{-\frac{1}{2}}=\frac{y-1}{-\frac{1}{2}}
Multiply both sides by -2.
x=\frac{y-1}{-\frac{1}{2}}
Dividing by -\frac{1}{2} undoes the multiplication by -\frac{1}{2}.
x=2-2y
Divide y-1 by -\frac{1}{2} by multiplying y-1 by the reciprocal of -\frac{1}{2}.
y=-\frac{1}{2}x+1
Combine -\frac{3}{2}x and 1x to get -\frac{1}{2}x.