15z+12=6z+30

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Solution for 15z+12=6z+30 equation:


Simplifying
15z + 12 = 6z + 30

Reorder the terms:
12 + 15z = 6z + 30

Reorder the terms:
12 + 15z = 30 + 6z

Solving
12 + 15z = 30 + 6z

Solving for variable 'z'.

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

Add '-6z' to each side of the equation.
12 + 15z + -6z = 30 + 6z + -6z

Combine like terms: 15z + -6z = 9z
12 + 9z = 30 + 6z + -6z

Combine like terms: 6z + -6z = 0
12 + 9z = 30 + 0
12 + 9z = 30

Add '-12' to each side of the equation.
12 + -12 + 9z = 30 + -12

Combine like terms: 12 + -12 = 0
0 + 9z = 30 + -12
9z = 30 + -12

Combine like terms: 30 + -12 = 18
9z = 18

Divide each side by '9'.
z = 2

Simplifying
z = 2

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