(12x-66)+15=21

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Solution for (12x-66)+15=21 equation:


Simplifying
(12x + -66) + 15 = 21

Reorder the terms:
(-66 + 12x) + 15 = 21

Remove parenthesis around (-66 + 12x)
-66 + 12x + 15 = 21

Reorder the terms:
-66 + 15 + 12x = 21

Combine like terms: -66 + 15 = -51
-51 + 12x = 21

Solving
-51 + 12x = 21

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '51' to each side of the equation.
-51 + 51 + 12x = 21 + 51

Combine like terms: -51 + 51 = 0
0 + 12x = 21 + 51
12x = 21 + 51

Combine like terms: 21 + 51 = 72
12x = 72

Divide each side by '12'.
x = 6

Simplifying
x = 6

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