12x-3(3x+4)=36

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Solution for 12x-3(3x+4)=36 equation:


Simplifying
12x + -3(3x + 4) = 36

Reorder the terms:
12x + -3(4 + 3x) = 36
12x + (4 * -3 + 3x * -3) = 36
12x + (-12 + -9x) = 36

Reorder the terms:
-12 + 12x + -9x = 36

Combine like terms: 12x + -9x = 3x
-12 + 3x = 36

Solving
-12 + 3x = 36

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 = 36 + 12

Combine like terms: -12 + 12 = 0
0 + 3x = 36 + 12
3x = 36 + 12

Combine like terms: 36 + 12 = 48
3x = 48

Divide each side by '3'.
x = 16

Simplifying
x = 16

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