x=3*(180-x)-40

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Solution for x=3*(180-x)-40 equation:


Simplifying
x = 3(180 + -1x) + -40
x = (180 * 3 + -1x * 3) + -40
x = (540 + -3x) + -40

Reorder the terms:
x = 540 + -40 + -3x

Combine like terms: 540 + -40 = 500
x = 500 + -3x

Solving
x = 500 + -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.
x + 3x = 500 + -3x + 3x

Combine like terms: x + 3x = 4x
4x = 500 + -3x + 3x

Combine like terms: -3x + 3x = 0
4x = 500 + 0
4x = 500

Divide each side by '4'.
x = 125

Simplifying
x = 125

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