x+20=3(180-x)

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Solution for x+20=3(180-x) equation:


Simplifying
x + 20 = 3(180 + -1x)

Reorder the terms:
20 + x = 3(180 + -1x)
20 + x = (180 * 3 + -1x * 3)
20 + x = (540 + -3x)

Solving
20 + x = 540 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
20 + x + 3x = 540 + -3x + 3x

Combine like terms: x + 3x = 4x
20 + 4x = 540 + -3x + 3x

Combine like terms: -3x + 3x = 0
20 + 4x = 540 + 0
20 + 4x = 540

Add '-20' to each side of the equation.
20 + -20 + 4x = 540 + -20

Combine like terms: 20 + -20 = 0
0 + 4x = 540 + -20
4x = 540 + -20

Combine like terms: 540 + -20 = 520
4x = 520

Divide each side by '4'.
x = 130

Simplifying
x = 130

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