120=-6-(-18z)

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Solution for 120=-6-(-18z) equation:


Simplifying
120 = -6 + -1(-18z)

Remove parenthesis around (-18z)
120 = -6 + -1 * -18z

Multiply -1 * -18
120 = -6 + 18z

Solving
120 = -6 + 18z

Solving for variable 'z'.

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

Add '-18z' to each side of the equation.
120 + -18z = -6 + 18z + -18z

Combine like terms: 18z + -18z = 0
120 + -18z = -6 + 0
120 + -18z = -6

Add '-120' to each side of the equation.
120 + -120 + -18z = -6 + -120

Combine like terms: 120 + -120 = 0
0 + -18z = -6 + -120
-18z = -6 + -120

Combine like terms: -6 + -120 = -126
-18z = -126

Divide each side by '-18'.
z = 7

Simplifying
z = 7

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