3x+(x-7)+x=108

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Solution for 3x+(x-7)+x=108 equation:


Simplifying
3x + (x + -7) + x = 108

Reorder the terms:
3x + (-7 + x) + x = 108

Remove parenthesis around (-7 + x)
3x + -7 + x + x = 108

Reorder the terms:
-7 + 3x + x + x = 108

Combine like terms: 3x + x = 4x
-7 + 4x + x = 108

Combine like terms: 4x + x = 5x
-7 + 5x = 108

Solving
-7 + 5x = 108

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 5x = 108 + 7

Combine like terms: -7 + 7 = 0
0 + 5x = 108 + 7
5x = 108 + 7

Combine like terms: 108 + 7 = 115
5x = 115

Divide each side by '5'.
x = 23

Simplifying
x = 23

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