2x+x+12=105

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Solution for 2x+x+12=105 equation:


Simplifying
2x + x + 12 = 105

Reorder the terms:
12 + 2x + x = 105

Combine like terms: 2x + x = 3x
12 + 3x = 105

Solving
12 + 3x = 105

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 3x = 105 + -12

Combine like terms: 12 + -12 = 0
0 + 3x = 105 + -12
3x = 105 + -12

Combine like terms: 105 + -12 = 93
3x = 93

Divide each side by '3'.
x = 31

Simplifying
x = 31

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