-z-8z=-7z-7-7z

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


Simplifying
-1z + -8z = -7z + -7 + -7z

Combine like terms: -1z + -8z = -9z
-9z = -7z + -7 + -7z

Reorder the terms:
-9z = -7 + -7z + -7z

Combine like terms: -7z + -7z = -14z
-9z = -7 + -14z

Solving
-9z = -7 + -14z

Solving for variable 'z'.

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

Add '14z' to each side of the equation.
-9z + 14z = -7 + -14z + 14z

Combine like terms: -9z + 14z = 5z
5z = -7 + -14z + 14z

Combine like terms: -14z + 14z = 0
5z = -7 + 0
5z = -7

Divide each side by '5'.
z = -1.4

Simplifying
z = -1.4

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