x+(3x+2)+(5x-5)=123

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Solution for x+(3x+2)+(5x-5)=123 equation:


Simplifying
x + (3x + 2) + (5x + -5) = 123

Reorder the terms:
x + (2 + 3x) + (5x + -5) = 123

Remove parenthesis around (2 + 3x)
x + 2 + 3x + (5x + -5) = 123

Reorder the terms:
x + 2 + 3x + (-5 + 5x) = 123

Remove parenthesis around (-5 + 5x)
x + 2 + 3x + -5 + 5x = 123

Reorder the terms:
2 + -5 + x + 3x + 5x = 123

Combine like terms: 2 + -5 = -3
-3 + x + 3x + 5x = 123

Combine like terms: x + 3x = 4x
-3 + 4x + 5x = 123

Combine like terms: 4x + 5x = 9x
-3 + 9x = 123

Solving
-3 + 9x = 123

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 9x = 123 + 3

Combine like terms: -3 + 3 = 0
0 + 9x = 123 + 3
9x = 123 + 3

Combine like terms: 123 + 3 = 126
9x = 126

Divide each side by '9'.
x = 14

Simplifying
x = 14

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