240=2x+(x-20)

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Solution for 240=2x+(x-20) equation:


Simplifying
240 = 2x + (x + -20)

Reorder the terms:
240 = 2x + (-20 + x)

Remove parenthesis around (-20 + x)
240 = 2x + -20 + x

Reorder the terms:
240 = -20 + 2x + x

Combine like terms: 2x + x = 3x
240 = -20 + 3x

Solving
240 = -20 + 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.
240 + -3x = -20 + 3x + -3x

Combine like terms: 3x + -3x = 0
240 + -3x = -20 + 0
240 + -3x = -20

Add '-240' to each side of the equation.
240 + -240 + -3x = -20 + -240

Combine like terms: 240 + -240 = 0
0 + -3x = -20 + -240
-3x = -20 + -240

Combine like terms: -20 + -240 = -260
-3x = -260

Divide each side by '-3'.
x = 86.66666667

Simplifying
x = 86.66666667

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