(180-x)+10=3(90-x)

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Solution for (180-x)+10=3(90-x) equation:


Simplifying
(180 + -1x) + 10 = 3(90 + -1x)

Remove parenthesis around (180 + -1x)
180 + -1x + 10 = 3(90 + -1x)

Reorder the terms:
180 + 10 + -1x = 3(90 + -1x)

Combine like terms: 180 + 10 = 190
190 + -1x = 3(90 + -1x)
190 + -1x = (90 * 3 + -1x * 3)
190 + -1x = (270 + -3x)

Solving
190 + -1x = 270 + -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.
190 + -1x + 3x = 270 + -3x + 3x

Combine like terms: -1x + 3x = 2x
190 + 2x = 270 + -3x + 3x

Combine like terms: -3x + 3x = 0
190 + 2x = 270 + 0
190 + 2x = 270

Add '-190' to each side of the equation.
190 + -190 + 2x = 270 + -190

Combine like terms: 190 + -190 = 0
0 + 2x = 270 + -190
2x = 270 + -190

Combine like terms: 270 + -190 = 80
2x = 80

Divide each side by '2'.
x = 40

Simplifying
x = 40

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