2x+x+15=6

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Solution for 2x+x+15=6 equation:


Simplifying
2x + x + 15 = 6

Reorder the terms:
15 + 2x + x = 6

Combine like terms: 2x + x = 3x
15 + 3x = 6

Solving
15 + 3x = 6

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 3x = 6 + -15

Combine like terms: 15 + -15 = 0
0 + 3x = 6 + -15
3x = 6 + -15

Combine like terms: 6 + -15 = -9
3x = -9

Divide each side by '3'.
x = -3

Simplifying
x = -3

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