12[x+3]=-3[x+13]

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Solution for 12[x+3]=-3[x+13] equation:


Simplifying
12[x + 3] = -3[x + 13]

Reorder the terms:
12[3 + x] = -3[x + 13]
[3 * 12 + x * 12] = -3[x + 13]
[36 + 12x] = -3[x + 13]

Reorder the terms:
36 + 12x = -3[13 + x]
36 + 12x = [13 * -3 + x * -3]
36 + 12x = [-39 + -3x]

Solving
36 + 12x = -39 + -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.
36 + 12x + 3x = -39 + -3x + 3x

Combine like terms: 12x + 3x = 15x
36 + 15x = -39 + -3x + 3x

Combine like terms: -3x + 3x = 0
36 + 15x = -39 + 0
36 + 15x = -39

Add '-36' to each side of the equation.
36 + -36 + 15x = -39 + -36

Combine like terms: 36 + -36 = 0
0 + 15x = -39 + -36
15x = -39 + -36

Combine like terms: -39 + -36 = -75
15x = -75

Divide each side by '15'.
x = -5

Simplifying
x = -5

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