-z-8=-2z-4

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Solution for -z-8=-2z-4 equation:


Simplifying
-1z + -8 = -2z + -4

Reorder the terms:
-8 + -1z = -2z + -4

Reorder the terms:
-8 + -1z = -4 + -2z

Solving
-8 + -1z = -4 + -2z

Solving for variable 'z'.

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

Add '2z' to each side of the equation.
-8 + -1z + 2z = -4 + -2z + 2z

Combine like terms: -1z + 2z = 1z
-8 + 1z = -4 + -2z + 2z

Combine like terms: -2z + 2z = 0
-8 + 1z = -4 + 0
-8 + 1z = -4

Add '8' to each side of the equation.
-8 + 8 + 1z = -4 + 8

Combine like terms: -8 + 8 = 0
0 + 1z = -4 + 8
1z = -4 + 8

Combine like terms: -4 + 8 = 4
1z = 4

Divide each side by '1'.
z = 4

Simplifying
z = 4

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