2(3+x)+9-(2x+15)=0

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Solution for 2(3+x)+9-(2x+15)=0 equation: 


Simplifying
2(3 + x) + 9 + -1(2x + 15) = 0
(3 * 2 + x * 2) + 9 + -1(2x + 15) = 0
(6 + 2x) + 9 + -1(2x + 15) = 0

Reorder the terms:
6 + 2x + 9 + -1(15 + 2x) = 0
6 + 2x + 9 + (15 * -1 + 2x * -1) = 0
6 + 2x + 9 + (-15 + -2x) = 0

Reorder the terms:
6 + 9 + -15 + 2x + -2x = 0

Combine like terms: 6 + 9 = 15
15 + -15 + 2x + -2x = 0

Combine like terms: 15 + -15 = 0
0 + 2x + -2x = 0
2x + -2x = 0

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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