3(2x+2)+3(2x+4)+2=12x+21

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Solution for 3(2x+2)+3(2x+4)+2=12x+21 equation: 


Simplifying
3(2x + 2) + 3(2x + 4) + 2 = 12x + 21

Reorder the terms:
3(2 + 2x) + 3(2x + 4) + 2 = 12x + 21
(2 * 3 + 2x * 3) + 3(2x + 4) + 2 = 12x + 21
(6 + 6x) + 3(2x + 4) + 2 = 12x + 21

Reorder the terms:
6 + 6x + 3(4 + 2x) + 2 = 12x + 21
6 + 6x + (4 * 3 + 2x * 3) + 2 = 12x + 21
6 + 6x + (12 + 6x) + 2 = 12x + 21

Reorder the terms:
6 + 12 + 2 + 6x + 6x = 12x + 21

Combine like terms: 6 + 12 = 18
18 + 2 + 6x + 6x = 12x + 21

Combine like terms: 18 + 2 = 20
20 + 6x + 6x = 12x + 21

Combine like terms: 6x + 6x = 12x
20 + 12x = 12x + 21

Reorder the terms:
20 + 12x = 21 + 12x

Add '-12x' to each side of the equation.
20 + 12x + -12x = 21 + 12x + -12x

Combine like terms: 12x + -12x = 0
20 + 0 = 21 + 12x + -12x
20 = 21 + 12x + -12x

Combine like terms: 12x + -12x = 0
20 = 21 + 0
20 = 21

Solving
20 = 21

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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