2x+(x-7)+x=137

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Solution for 2x+(x-7)+x=137 equation:


Simplifying
2x + (x + -7) + x = 137

Reorder the terms:
2x + (-7 + x) + x = 137

Remove parenthesis around (-7 + x)
2x + -7 + x + x = 137

Reorder the terms:
-7 + 2x + x + x = 137

Combine like terms: 2x + x = 3x
-7 + 3x + x = 137

Combine like terms: 3x + x = 4x
-7 + 4x = 137

Solving
-7 + 4x = 137

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 + 4x = 137 + 7

Combine like terms: -7 + 7 = 0
0 + 4x = 137 + 7
4x = 137 + 7

Combine like terms: 137 + 7 = 144
4x = 144

Divide each side by '4'.
x = 36

Simplifying
x = 36

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