9[3x+6]-6[7x-3]=12

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Solution for 9[3x+6]-6[7x-3]=12 equation:


Simplifying
9[3x + 6] + -6[7x + -3] = 12

Reorder the terms:
9[6 + 3x] + -6[7x + -3] = 12
[6 * 9 + 3x * 9] + -6[7x + -3] = 12
[54 + 27x] + -6[7x + -3] = 12

Reorder the terms:
54 + 27x + -6[-3 + 7x] = 12
54 + 27x + [-3 * -6 + 7x * -6] = 12
54 + 27x + [18 + -42x] = 12

Reorder the terms:
54 + 18 + 27x + -42x = 12

Combine like terms: 54 + 18 = 72
72 + 27x + -42x = 12

Combine like terms: 27x + -42x = -15x
72 + -15x = 12

Solving
72 + -15x = 12

Solving for variable 'x'.

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

Add '-72' to each side of the equation.
72 + -72 + -15x = 12 + -72

Combine like terms: 72 + -72 = 0
0 + -15x = 12 + -72
-15x = 12 + -72

Combine like terms: 12 + -72 = -60
-15x = -60

Divide each side by '-15'.
x = 4

Simplifying
x = 4

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