180=x+(x+4)+(3x-9)

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Solution for 180=x+(x+4)+(3x-9) equation:


Simplifying
180 = x + (x + 4) + (3x + -9)

Reorder the terms:
180 = x + (4 + x) + (3x + -9)

Remove parenthesis around (4 + x)
180 = x + 4 + x + (3x + -9)

Reorder the terms:
180 = x + 4 + x + (-9 + 3x)

Remove parenthesis around (-9 + 3x)
180 = x + 4 + x + -9 + 3x

Reorder the terms:
180 = 4 + -9 + x + x + 3x

Combine like terms: 4 + -9 = -5
180 = -5 + x + x + 3x

Combine like terms: x + x = 2x
180 = -5 + 2x + 3x

Combine like terms: 2x + 3x = 5x
180 = -5 + 5x

Solving
180 = -5 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
180 + -5x = -5 + 5x + -5x

Combine like terms: 5x + -5x = 0
180 + -5x = -5 + 0
180 + -5x = -5

Add '-180' to each side of the equation.
180 + -180 + -5x = -5 + -180

Combine like terms: 180 + -180 = 0
0 + -5x = -5 + -180
-5x = -5 + -180

Combine like terms: -5 + -180 = -185
-5x = -185

Divide each side by '-5'.
x = 37

Simplifying
x = 37

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