12=15(z-15)

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Solution for 12=15(z-15) equation:


Simplifying
12 = 15(z + -15)

Reorder the terms:
12 = 15(-15 + z)
12 = (-15 * 15 + z * 15)
12 = (-225 + 15z)

Solving
12 = -225 + 15z

Solving for variable 'z'.

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

Add '-15z' to each side of the equation.
12 + -15z = -225 + 15z + -15z

Combine like terms: 15z + -15z = 0
12 + -15z = -225 + 0
12 + -15z = -225

Add '-12' to each side of the equation.
12 + -12 + -15z = -225 + -12

Combine like terms: 12 + -12 = 0
0 + -15z = -225 + -12
-15z = -225 + -12

Combine like terms: -225 + -12 = -237
-15z = -237

Divide each side by '-15'.
z = 15.8

Simplifying
z = 15.8

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