x+(x-20)+(x+10)=110

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Solution for x+(x-20)+(x+10)=110 equation:


Simplifying
x + (x + -20) + (x + 10) = 110

Reorder the terms:
x + (-20 + x) + (x + 10) = 110

Remove parenthesis around (-20 + x)
x + -20 + x + (x + 10) = 110

Reorder the terms:
x + -20 + x + (10 + x) = 110

Remove parenthesis around (10 + x)
x + -20 + x + 10 + x = 110

Reorder the terms:
-20 + 10 + x + x + x = 110

Combine like terms: -20 + 10 = -10
-10 + x + x + x = 110

Combine like terms: x + x = 2x
-10 + 2x + x = 110

Combine like terms: 2x + x = 3x
-10 + 3x = 110

Solving
-10 + 3x = 110

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 3x = 110 + 10

Combine like terms: -10 + 10 = 0
0 + 3x = 110 + 10
3x = 110 + 10

Combine like terms: 110 + 10 = 120
3x = 120

Divide each side by '3'.
x = 40

Simplifying
x = 40

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