x+30+x+10=120

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


Simplifying
x + 30 + x + 10 = 120

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

Combine like terms: 30 + 10 = 40
40 + x + x = 120

Combine like terms: x + x = 2x
40 + 2x = 120

Solving
40 + 2x = 120

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + 2x = 120 + -40

Combine like terms: 40 + -40 = 0
0 + 2x = 120 + -40
2x = 120 + -40

Combine like terms: 120 + -40 = 80
2x = 80

Divide each side by '2'.
x = 40

Simplifying
x = 40

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