x+x+9=2x+3+6

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Solution for x+x+9=2x+3+6 equation: 


Simplifying
x + x + 9 = 2x + 3 + 6

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

Combine like terms: x + x = 2x
9 + 2x = 2x + 3 + 6

Reorder the terms:
9 + 2x = 3 + 6 + 2x

Combine like terms: 3 + 6 = 9
9 + 2x = 9 + 2x

Add '-9' to each side of the equation.
9 + -9 + 2x = 9 + -9 + 2x

Combine like terms: 9 + -9 = 0
0 + 2x = 9 + -9 + 2x
2x = 9 + -9 + 2x

Combine like terms: 9 + -9 = 0
2x = 0 + 2x
2x = 2x

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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