12[x-3]=84

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Solution for 12[x-3]=84 equation:


Simplifying
12[x + -3] = 84

Reorder the terms:
12[-3 + x] = 84
[-3 * 12 + x * 12] = 84
[-36 + 12x] = 84

Solving
-36 + 12x = 84

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + 12x = 84 + 36

Combine like terms: -36 + 36 = 0
0 + 12x = 84 + 36
12x = 84 + 36

Combine like terms: 84 + 36 = 120
12x = 120

Divide each side by '12'.
x = 10

Simplifying
x = 10

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