180=(13x+7)+(6x+21)

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Solution for 180=(13x+7)+(6x+21) equation:


Simplifying
180 = (13x + 7) + (6x + 21)

Reorder the terms:
180 = (7 + 13x) + (6x + 21)

Remove parenthesis around (7 + 13x)
180 = 7 + 13x + (6x + 21)

Reorder the terms:
180 = 7 + 13x + (21 + 6x)

Remove parenthesis around (21 + 6x)
180 = 7 + 13x + 21 + 6x

Reorder the terms:
180 = 7 + 21 + 13x + 6x

Combine like terms: 7 + 21 = 28
180 = 28 + 13x + 6x

Combine like terms: 13x + 6x = 19x
180 = 28 + 19x

Solving
180 = 28 + 19x

Solving for variable 'x'.

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

Add '-19x' to each side of the equation.
180 + -19x = 28 + 19x + -19x

Combine like terms: 19x + -19x = 0
180 + -19x = 28 + 0
180 + -19x = 28

Add '-180' to each side of the equation.
180 + -180 + -19x = 28 + -180

Combine like terms: 180 + -180 = 0
0 + -19x = 28 + -180
-19x = 28 + -180

Combine like terms: 28 + -180 = -152
-19x = -152

Divide each side by '-19'.
x = 8

Simplifying
x = 8

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