2x+75=120-x

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Solution for 2x+75=120-x equation:


Simplifying
2x + 75 = 120 + -1x

Reorder the terms:
75 + 2x = 120 + -1x

Solving
75 + 2x = 120 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
75 + 2x + x = 120 + -1x + x

Combine like terms: 2x + x = 3x
75 + 3x = 120 + -1x + x

Combine like terms: -1x + x = 0
75 + 3x = 120 + 0
75 + 3x = 120

Add '-75' to each side of the equation.
75 + -75 + 3x = 120 + -75

Combine like terms: 75 + -75 = 0
0 + 3x = 120 + -75
3x = 120 + -75

Combine like terms: 120 + -75 = 45
3x = 45

Divide each side by '3'.
x = 15

Simplifying
x = 15

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