12+(9x-15)=3(6+2x)

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Solution for 12+(9x-15)=3(6+2x) equation:


Simplifying
12 + (9x + -15) = 3(6 + 2x)

Reorder the terms:
12 + (-15 + 9x) = 3(6 + 2x)

Remove parenthesis around (-15 + 9x)
12 + -15 + 9x = 3(6 + 2x)

Combine like terms: 12 + -15 = -3
-3 + 9x = 3(6 + 2x)
-3 + 9x = (6 * 3 + 2x * 3)
-3 + 9x = (18 + 6x)

Solving
-3 + 9x = 18 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-3 + 9x + -6x = 18 + 6x + -6x

Combine like terms: 9x + -6x = 3x
-3 + 3x = 18 + 6x + -6x

Combine like terms: 6x + -6x = 0
-3 + 3x = 18 + 0
-3 + 3x = 18

Add '3' to each side of the equation.
-3 + 3 + 3x = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 3x = 18 + 3
3x = 18 + 3

Combine like terms: 18 + 3 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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