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

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


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

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

Combine like terms: x + 3x = 4x
(-2 + 4x) + (2x + -5x + 5) = 123

Remove parenthesis around (-2 + 4x)
-2 + 4x + (2x + -5x + 5) = 123

Reorder the terms:
-2 + 4x + (5 + 2x + -5x) = 123

Combine like terms: 2x + -5x = -3x
-2 + 4x + (5 + -3x) = 123

Remove parenthesis around (5 + -3x)
-2 + 4x + 5 + -3x = 123

Reorder the terms:
-2 + 5 + 4x + -3x = 123

Combine like terms: -2 + 5 = 3
3 + 4x + -3x = 123

Combine like terms: 4x + -3x = 1x
3 + 1x = 123

Solving
3 + 1x = 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 + 1x = 123 + -3

Combine like terms: 3 + -3 = 0
0 + 1x = 123 + -3
1x = 123 + -3

Combine like terms: 123 + -3 = 120
1x = 120

Divide each side by '1'.
x = 120

Simplifying
x = 120

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