9z+18=5z+12

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Solution for 9z+18=5z+12 equation:


Simplifying
9z + 18 = 5z + 12

Reorder the terms:
18 + 9z = 5z + 12

Reorder the terms:
18 + 9z = 12 + 5z

Solving
18 + 9z = 12 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
18 + 9z + -5z = 12 + 5z + -5z

Combine like terms: 9z + -5z = 4z
18 + 4z = 12 + 5z + -5z

Combine like terms: 5z + -5z = 0
18 + 4z = 12 + 0
18 + 4z = 12

Add '-18' to each side of the equation.
18 + -18 + 4z = 12 + -18

Combine like terms: 18 + -18 = 0
0 + 4z = 12 + -18
4z = 12 + -18

Combine like terms: 12 + -18 = -6
4z = -6

Divide each side by '4'.
z = -1.5

Simplifying
z = -1.5

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