(3)(x+4)+15=(12)

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Solution for (3)(x+4)+15=(12) equation:


Simplifying
(3)(x + 4) + 15 = (12)

Reorder the terms:
3(4 + x) + 15 = (12)
(4 * 3 + x * 3) + 15 = (12)
(12 + 3x) + 15 = (12)

Reorder the terms:
12 + 15 + 3x = (12)

Combine like terms: 12 + 15 = 27
27 + 3x = (12)
27 + 3x = 12

Solving
27 + 3x = 12

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + 3x = 12 + -27

Combine like terms: 27 + -27 = 0
0 + 3x = 12 + -27
3x = 12 + -27

Combine like terms: 12 + -27 = -15
3x = -15

Divide each side by '3'.
x = -5

Simplifying
x = -5

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