(220-x)+(2*x)=300

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Solution for (220-x)+(2*x)=300 equation:


Simplifying
(220 + -1x) + (2x) = 300

Remove parenthesis around (220 + -1x)
220 + -1x + (2x) = 300

Combine like terms: -1x + (2x) = 1x
220 + 1x = 300

Solving
220 + 1x = 300

Solving for variable 'x'.

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

Add '-220' to each side of the equation.
220 + -220 + 1x = 300 + -220

Combine like terms: 220 + -220 = 0
0 + 1x = 300 + -220
1x = 300 + -220

Combine like terms: 300 + -220 = 80
1x = 80

Divide each side by '1'.
x = 80

Simplifying
x = 80

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