-6z-18=3(3z+4)

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Solution for -6z-18=3(3z+4) equation:


Simplifying
-6z + -18 = 3(3z + 4)

Reorder the terms:
-18 + -6z = 3(3z + 4)

Reorder the terms:
-18 + -6z = 3(4 + 3z)
-18 + -6z = (4 * 3 + 3z * 3)
-18 + -6z = (12 + 9z)

Solving
-18 + -6z = 12 + 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 + -6z + -9z = 12 + 9z + -9z

Combine like terms: -6z + -9z = -15z
-18 + -15z = 12 + 9z + -9z

Combine like terms: 9z + -9z = 0
-18 + -15z = 12 + 0
-18 + -15z = 12

Add '18' to each side of the equation.
-18 + 18 + -15z = 12 + 18

Combine like terms: -18 + 18 = 0
0 + -15z = 12 + 18
-15z = 12 + 18

Combine like terms: 12 + 18 = 30
-15z = 30

Divide each side by '-15'.
z = -2

Simplifying
z = -2

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