180=(3x+8)+(x+12)

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Solution for 180=(3x+8)+(x+12) equation:


Simplifying
180 = (3x + 8) + (x + 12)

Reorder the terms:
180 = (8 + 3x) + (x + 12)

Remove parenthesis around (8 + 3x)
180 = 8 + 3x + (x + 12)

Reorder the terms:
180 = 8 + 3x + (12 + x)

Remove parenthesis around (12 + x)
180 = 8 + 3x + 12 + x

Reorder the terms:
180 = 8 + 12 + 3x + x

Combine like terms: 8 + 12 = 20
180 = 20 + 3x + x

Combine like terms: 3x + x = 4x
180 = 20 + 4x

Solving
180 = 20 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
180 + -4x = 20 + 4x + -4x

Combine like terms: 4x + -4x = 0
180 + -4x = 20 + 0
180 + -4x = 20

Add '-180' to each side of the equation.
180 + -180 + -4x = 20 + -180

Combine like terms: 180 + -180 = 0
0 + -4x = 20 + -180
-4x = 20 + -180

Combine like terms: 20 + -180 = -160
-4x = -160

Divide each side by '-4'.
x = 40

Simplifying
x = 40

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