x+2x+3=6+x+6

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Solution for x+2x+3=6+x+6 equation:


Simplifying
x + 2x + 3 = 6 + x + 6

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

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

Reorder the terms:
3 + 3x = 6 + 6 + x

Combine like terms: 6 + 6 = 12
3 + 3x = 12 + x

Solving
3 + 3x = 12 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
3 + 3x + -1x = 12 + x + -1x

Combine like terms: 3x + -1x = 2x
3 + 2x = 12 + x + -1x

Combine like terms: x + -1x = 0
3 + 2x = 12 + 0
3 + 2x = 12

Add '-3' to each side of the equation.
3 + -3 + 2x = 12 + -3

Combine like terms: 3 + -3 = 0
0 + 2x = 12 + -3
2x = 12 + -3

Combine like terms: 12 + -3 = 9
2x = 9

Divide each side by '2'.
x = 4.5

Simplifying
x = 4.5

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