15(x+12)=9(x-42)

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Solution for 15(x+12)=9(x-42) equation:


Simplifying
15(x + 12) = 9(x + -42)

Reorder the terms:
15(12 + x) = 9(x + -42)
(12 * 15 + x * 15) = 9(x + -42)
(180 + 15x) = 9(x + -42)

Reorder the terms:
180 + 15x = 9(-42 + x)
180 + 15x = (-42 * 9 + x * 9)
180 + 15x = (-378 + 9x)

Solving
180 + 15x = -378 + 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.
180 + 15x + -9x = -378 + 9x + -9x

Combine like terms: 15x + -9x = 6x
180 + 6x = -378 + 9x + -9x

Combine like terms: 9x + -9x = 0
180 + 6x = -378 + 0
180 + 6x = -378

Add '-180' to each side of the equation.
180 + -180 + 6x = -378 + -180

Combine like terms: 180 + -180 = 0
0 + 6x = -378 + -180
6x = -378 + -180

Combine like terms: -378 + -180 = -558
6x = -558

Divide each side by '6'.
x = -93

Simplifying
x = -93

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