6(2x+5)-9=12x+21

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Solution for 6(2x+5)-9=12x+21 equation:


Simplifying
6(2x + 5) + -9 = 12x + 21

Reorder the terms:
6(5 + 2x) + -9 = 12x + 21
(5 * 6 + 2x * 6) + -9 = 12x + 21
(30 + 12x) + -9 = 12x + 21

Reorder the terms:
30 + -9 + 12x = 12x + 21

Combine like terms: 30 + -9 = 21
21 + 12x = 12x + 21

Reorder the terms:
21 + 12x = 21 + 12x

Add '-21' to each side of the equation.
21 + -21 + 12x = 21 + -21 + 12x

Combine like terms: 21 + -21 = 0
0 + 12x = 21 + -21 + 12x
12x = 21 + -21 + 12x

Combine like terms: 21 + -21 = 0
12x = 0 + 12x
12x = 12x

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

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

Combine like terms: 12x + -12x = 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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