x-10+x+30=120

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Solution for x-10+x+30=120 equation:


Simplifying
x + -10 + x + 30 = 120

Reorder the terms:
-10 + 30 + x + x = 120

Combine like terms: -10 + 30 = 20
20 + x + x = 120

Combine like terms: x + x = 2x
20 + 2x = 120

Solving
20 + 2x = 120

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 2x = 120 + -20

Combine like terms: 20 + -20 = 0
0 + 2x = 120 + -20
2x = 120 + -20

Combine like terms: 120 + -20 = 100
2x = 100

Divide each side by '2'.
x = 50

Simplifying
x = 50

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