180=(3x+8)+(7x-18)

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Solution for 180=(3x+8)+(7x-18) equation:


Simplifying
180 = (3x + 8) + (7x + -18)

Reorder the terms:
180 = (8 + 3x) + (7x + -18)

Remove parenthesis around (8 + 3x)
180 = 8 + 3x + (7x + -18)

Reorder the terms:
180 = 8 + 3x + (-18 + 7x)

Remove parenthesis around (-18 + 7x)
180 = 8 + 3x + -18 + 7x

Reorder the terms:
180 = 8 + -18 + 3x + 7x

Combine like terms: 8 + -18 = -10
180 = -10 + 3x + 7x

Combine like terms: 3x + 7x = 10x
180 = -10 + 10x

Solving
180 = -10 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
180 + -10x = -10 + 10x + -10x

Combine like terms: 10x + -10x = 0
180 + -10x = -10 + 0
180 + -10x = -10

Add '-180' to each side of the equation.
180 + -180 + -10x = -10 + -180

Combine like terms: 180 + -180 = 0
0 + -10x = -10 + -180
-10x = -10 + -180

Combine like terms: -10 + -180 = -190
-10x = -190

Divide each side by '-10'.
x = 19

Simplifying
x = 19

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