3(4x+3)+12=105

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Solution for 3(4x+3)+12=105 equation:


Simplifying
3(4x + 3) + 12 = 105

Reorder the terms:
3(3 + 4x) + 12 = 105
(3 * 3 + 4x * 3) + 12 = 105
(9 + 12x) + 12 = 105

Reorder the terms:
9 + 12 + 12x = 105

Combine like terms: 9 + 12 = 21
21 + 12x = 105

Solving
21 + 12x = 105

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 12x = 105 + -21

Combine like terms: 21 + -21 = 0
0 + 12x = 105 + -21
12x = 105 + -21

Combine like terms: 105 + -21 = 84
12x = 84

Divide each side by '12'.
x = 7

Simplifying
x = 7

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