12[2x+3]=3[9+7x]

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Solution for 12[2x+3]=3[9+7x] equation:


Simplifying
12[2x + 3] = 3[9 + 7x]

Reorder the terms:
12[3 + 2x] = 3[9 + 7x]
[3 * 12 + 2x * 12] = 3[9 + 7x]
[36 + 24x] = 3[9 + 7x]
36 + 24x = [9 * 3 + 7x * 3]
36 + 24x = [27 + 21x]

Solving
36 + 24x = 27 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
36 + 24x + -21x = 27 + 21x + -21x

Combine like terms: 24x + -21x = 3x
36 + 3x = 27 + 21x + -21x

Combine like terms: 21x + -21x = 0
36 + 3x = 27 + 0
36 + 3x = 27

Add '-36' to each side of the equation.
36 + -36 + 3x = 27 + -36

Combine like terms: 36 + -36 = 0
0 + 3x = 27 + -36
3x = 27 + -36

Combine like terms: 27 + -36 = -9
3x = -9

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

Simplifying
x = -3

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