12(x-3)=3(4x+5)+21

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Solution for 12(x-3)=3(4x+5)+21 equation: 


Simplifying
12(x + -3) = 3(4x + 5) + 21

Reorder the terms:
12(-3 + x) = 3(4x + 5) + 21
(-3 * 12 + x * 12) = 3(4x + 5) + 21
(-36 + 12x) = 3(4x + 5) + 21

Reorder the terms:
-36 + 12x = 3(5 + 4x) + 21
-36 + 12x = (5 * 3 + 4x * 3) + 21
-36 + 12x = (15 + 12x) + 21

Reorder the terms:
-36 + 12x = 15 + 21 + 12x

Combine like terms: 15 + 21 = 36
-36 + 12x = 36 + 12x

Add '-12x' to each side of the equation.
-36 + 12x + -12x = 36 + 12x + -12x

Combine like terms: 12x + -12x = 0
-36 + 0 = 36 + 12x + -12x
-36 = 36 + 12x + -12x

Combine like terms: 12x + -12x = 0
-36 = 36 + 0
-36 = 36

Solving
-36 = 36

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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