12[2x+3]-3[8+7x]=0

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Solution for 12[2x+3]-3[8+7x]=0 equation:


Simplifying
12[2x + 3] + -3[8 + 7x] = 0

Reorder the terms:
12[3 + 2x] + -3[8 + 7x] = 0
[3 * 12 + 2x * 12] + -3[8 + 7x] = 0
[36 + 24x] + -3[8 + 7x] = 0
36 + 24x + [8 * -3 + 7x * -3] = 0
36 + 24x + [-24 + -21x] = 0

Reorder the terms:
36 + -24 + 24x + -21x = 0

Combine like terms: 36 + -24 = 12
12 + 24x + -21x = 0

Combine like terms: 24x + -21x = 3x
12 + 3x = 0

Solving
12 + 3x = 0

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 3x = 0 + -12

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

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

Divide each side by '3'.
x = -4

Simplifying
x = -4

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