(12)(15)=(x+8)(15)

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Solution for (12)(15)=(x+8)(15) equation:


Simplifying
(12)(15) = (x + 8)(15)

Multiply 12 * 15
180 = (x + 8)(15)

Reorder the terms:
180 = (8 + x)(15)

Reorder the terms for easier multiplication:
180 = 15(8 + x)
180 = (8 * 15 + x * 15)
180 = (120 + 15x)

Solving
180 = 120 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
180 + -15x = 120 + 15x + -15x

Combine like terms: 15x + -15x = 0
180 + -15x = 120 + 0
180 + -15x = 120

Add '-180' to each side of the equation.
180 + -180 + -15x = 120 + -180

Combine like terms: 180 + -180 = 0
0 + -15x = 120 + -180
-15x = 120 + -180

Combine like terms: 120 + -180 = -60
-15x = -60

Divide each side by '-15'.
x = 4

Simplifying
x = 4

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