15=6+9(x-15)

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Solution for 15=6+9(x-15) equation: 


Simplifying
15 = 6 + 9(x + -15)

Reorder the terms:
15 = 6 + 9(-15 + x)
15 = 6 + (-15 * 9 + x * 9)
15 = 6 + (-135 + 9x)

Combine like terms: 6 + -135 = -129
15 = -129 + 9x

Solving
15 = -129 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
15 + -9x = -129 + 9x + -9x

Combine like terms: 9x + -9x = 0
15 + -9x = -129 + 0
15 + -9x = -129

Add '-15' to each side of the equation.
15 + -15 + -9x = -129 + -15

Combine like terms: 15 + -15 = 0
0 + -9x = -129 + -15
-9x = -129 + -15

Combine like terms: -129 + -15 = -144
-9x = -144

Divide each side by '-9'.
x = 16

Simplifying
x = 16

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