-7z+5z=-z-7-8z

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Solution for -7z+5z=-z-7-8z equation:


Simplifying
-7z + 5z = -1z + -7 + -8z

Combine like terms: -7z + 5z = -2z
-2z = -1z + -7 + -8z

Reorder the terms:
-2z = -7 + -1z + -8z

Combine like terms: -1z + -8z = -9z
-2z = -7 + -9z

Solving
-2z = -7 + -9z

Solving for variable 'z'.

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

Add '9z' to each side of the equation.
-2z + 9z = -7 + -9z + 9z

Combine like terms: -2z + 9z = 7z
7z = -7 + -9z + 9z

Combine like terms: -9z + 9z = 0
7z = -7 + 0
7z = -7

Divide each side by '7'.
z = -1

Simplifying
z = -1

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