Solve for x
x=y-z+170
Solve for y
y=x+z-170
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x+z=170+y
Add y to both sides.
x=170+y-z
Subtract z from both sides.
-y+z=170-x
Subtract x from both sides.
-y=170-x-z
Subtract z from both sides.
-y=170-z-x
The equation is in standard form.
\frac{-y}{-1}=\frac{170-z-x}{-1}
Divide both sides by -1.
y=\frac{170-z-x}{-1}
Dividing by -1 undoes the multiplication by -1.
y=x+z-170
Divide 170-x-z by -1.
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