(x+21)+2x=136

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Solution for (x+21)+2x=136 equation:


Simplifying
(x + 21) + 2x = 136

Reorder the terms:
(21 + x) + 2x = 136

Remove parenthesis around (21 + x)
21 + x + 2x = 136

Combine like terms: x + 2x = 3x
21 + 3x = 136

Solving
21 + 3x = 136

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 3x = 136 + -21

Combine like terms: 21 + -21 = 0
0 + 3x = 136 + -21
3x = 136 + -21

Combine like terms: 136 + -21 = 115
3x = 115

Divide each side by '3'.
x = 38.33333333

Simplifying
x = 38.33333333

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