7z+8=-20

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Solution for 7z+8=-20 equation: 


Simplifying
7z + 8 = -20

Reorder the terms:
8 + 7z = -20

Solving
8 + 7z = -20

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 + 7z = -20 + -8

Combine like terms: 8 + -8 = 0
0 + 7z = -20 + -8
7z = -20 + -8

Combine like terms: -20 + -8 = -28
7z = -28

Divide each side by '7'.
z = -4

Simplifying
z = -4

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