x-3+2x+21=117

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Solution for x-3+2x+21=117 equation:


Simplifying
x + -3 + 2x + 21 = 117

Reorder the terms:
-3 + 21 + x + 2x = 117

Combine like terms: -3 + 21 = 18
18 + x + 2x = 117

Combine like terms: x + 2x = 3x
18 + 3x = 117

Solving
18 + 3x = 117

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 3x = 117 + -18

Combine like terms: 18 + -18 = 0
0 + 3x = 117 + -18
3x = 117 + -18

Combine like terms: 117 + -18 = 99
3x = 99

Divide each side by '3'.
x = 33

Simplifying
x = 33

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