-7z+42=70

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Solution for -7z+42=70 equation: 


Simplifying
-7z + 42 = 70

Reorder the terms:
42 + -7z = 70

Solving
42 + -7z = 70

Solving for variable 'z'.

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

Add '-42' to each side of the equation.
42 + -42 + -7z = 70 + -42

Combine like terms: 42 + -42 = 0
0 + -7z = 70 + -42
-7z = 70 + -42

Combine like terms: 70 + -42 = 28
-7z = 28

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

Simplifying
z = -4

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