9z+12-(6z+18)=

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Solution for 9z+12-(6z+18)= equation:


Simplifying
9z + 12 + -1(6z + 18) = 0

Reorder the terms:
9z + 12 + -1(18 + 6z) = 0
9z + 12 + (18 * -1 + 6z * -1) = 0
9z + 12 + (-18 + -6z) = 0

Reorder the terms:
12 + -18 + 9z + -6z = 0

Combine like terms: 12 + -18 = -6
-6 + 9z + -6z = 0

Combine like terms: 9z + -6z = 3z
-6 + 3z = 0

Solving
-6 + 3z = 0

Solving for variable 'z'.

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

Add '6' to each side of the equation.
-6 + 6 + 3z = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 3z = 0 + 6
3z = 0 + 6

Combine like terms: 0 + 6 = 6
3z = 6

Divide each side by '3'.
z = 2

Simplifying
z = 2

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