-9z-5=7-7z

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Solution for -9z-5=7-7z equation:


Simplifying
-9z + -5 = 7 + -7z

Reorder the terms:
-5 + -9z = 7 + -7z

Solving
-5 + -9z = 7 + -7z

Solving for variable 'z'.

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

Add '7z' to each side of the equation.
-5 + -9z + 7z = 7 + -7z + 7z

Combine like terms: -9z + 7z = -2z
-5 + -2z = 7 + -7z + 7z

Combine like terms: -7z + 7z = 0
-5 + -2z = 7 + 0
-5 + -2z = 7

Add '5' to each side of the equation.
-5 + 5 + -2z = 7 + 5

Combine like terms: -5 + 5 = 0
0 + -2z = 7 + 5
-2z = 7 + 5

Combine like terms: 7 + 5 = 12
-2z = 12

Divide each side by '-2'.
z = -6

Simplifying
z = -6

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