18=-3(3+3z)

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Solution for 18=-3(3+3z) equation:


Simplifying
18 = -3(3 + 3z)
18 = (3 * -3 + 3z * -3)
18 = (-9 + -9z)

Solving
18 = -9 + -9z

Solving for variable 'z'.

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

Add '9z' to each side of the equation.
18 + 9z = -9 + -9z + 9z

Combine like terms: -9z + 9z = 0
18 + 9z = -9 + 0
18 + 9z = -9

Add '-18' to each side of the equation.
18 + -18 + 9z = -9 + -18

Combine like terms: 18 + -18 = 0
0 + 9z = -9 + -18
9z = -9 + -18

Combine like terms: -9 + -18 = -27
9z = -27

Divide each side by '9'.
z = -3

Simplifying
z = -3

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