(x+3)+12=3x

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Solution for (x+3)+12=3x equation:


Simplifying
(x + 3) + 12 = 3x

Reorder the terms:
(3 + x) + 12 = 3x

Remove parenthesis around (3 + x)
3 + x + 12 = 3x

Reorder the terms:
3 + 12 + x = 3x

Combine like terms: 3 + 12 = 15
15 + x = 3x

Solving
15 + x = 3x

Solving for variable 'x'.

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

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

Combine like terms: x + -3x = -2x
15 + -2x = 3x + -3x

Combine like terms: 3x + -3x = 0
15 + -2x = 0

Add '-15' to each side of the equation.
15 + -15 + -2x = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -2x = 0 + -15
-2x = 0 + -15

Combine like terms: 0 + -15 = -15
-2x = -15

Divide each side by '-2'.
x = 7.5

Simplifying
x = 7.5

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