x+(x-8)+(x+4)=120

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Solution for x+(x-8)+(x+4)=120 equation:


Simplifying
x + (x + -8) + (x + 4) = 120

Reorder the terms:
x + (-8 + x) + (x + 4) = 120

Remove parenthesis around (-8 + x)
x + -8 + x + (x + 4) = 120

Reorder the terms:
x + -8 + x + (4 + x) = 120

Remove parenthesis around (4 + x)
x + -8 + x + 4 + x = 120

Reorder the terms:
-8 + 4 + x + x + x = 120

Combine like terms: -8 + 4 = -4
-4 + x + x + x = 120

Combine like terms: x + x = 2x
-4 + 2x + x = 120

Combine like terms: 2x + x = 3x
-4 + 3x = 120

Solving
-4 + 3x = 120

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 3x = 120 + 4

Combine like terms: -4 + 4 = 0
0 + 3x = 120 + 4
3x = 120 + 4

Combine like terms: 120 + 4 = 124
3x = 124

Divide each side by '3'.
x = 41.33333333

Simplifying
x = 41.33333333

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