-7z-2=8-9z

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Solution for -7z-2=8-9z equation:


Simplifying
-7z + -2 = 8 + -9z

Reorder the terms:
-2 + -7z = 8 + -9z

Solving
-2 + -7z = 8 + -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.
-2 + -7z + 9z = 8 + -9z + 9z

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

Combine like terms: -9z + 9z = 0
-2 + 2z = 8 + 0
-2 + 2z = 8

Add '2' to each side of the equation.
-2 + 2 + 2z = 8 + 2

Combine like terms: -2 + 2 = 0
0 + 2z = 8 + 2
2z = 8 + 2

Combine like terms: 8 + 2 = 10
2z = 10

Divide each side by '2'.
z = 5

Simplifying
z = 5

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