-8-2z=-7

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


Simplifying
-8 + -2z = -7

Solving
-8 + -2z = -7

Solving for variable 'z'.

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

Add '8' to each side of the equation.
-8 + 8 + -2z = -7 + 8

Combine like terms: -8 + 8 = 0
0 + -2z = -7 + 8
-2z = -7 + 8

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

Divide each side by '-2'.
z = -0.5

Simplifying
z = -0.5

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