Solve for z
z=1
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z+2-7z=-4
Subtract 7z from both sides.
-6z+2=-4
Combine z and -7z to get -6z.
-6z=-4-2
Subtract 2 from both sides.
-6z=-6
Subtract 2 from -4 to get -6.
z=\frac{-6}{-6}
Divide both sides by -6.
z=1
Divide -6 by -6 to get 1.
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