8(7-z)=-z

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Solution for 8(7-z)=-z equation:


Simplifying
8(7 + -1z) = -1z
(7 * 8 + -1z * 8) = -1z
(56 + -8z) = -1z

Solving
56 + -8z = -1z

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add 'z' to each side of the equation.
56 + -8z + z = -1z + z

Combine like terms: -8z + z = -7z
56 + -7z = -1z + z

Combine like terms: -1z + z = 0
56 + -7z = 0

Add '-56' to each side of the equation.
56 + -56 + -7z = 0 + -56

Combine like terms: 56 + -56 = 0
0 + -7z = 0 + -56
-7z = 0 + -56

Combine like terms: 0 + -56 = -56
-7z = -56

Divide each side by '-7'.
z = 8

Simplifying
z = 8

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