3(x+3)+4(2x-12)-4=12

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Solution for 3(x+3)+4(2x-12)-4=12 equation:


Simplifying
3(x + 3) + 4(2x + -12) + -4 = 12

Reorder the terms:
3(3 + x) + 4(2x + -12) + -4 = 12
(3 * 3 + x * 3) + 4(2x + -12) + -4 = 12
(9 + 3x) + 4(2x + -12) + -4 = 12

Reorder the terms:
9 + 3x + 4(-12 + 2x) + -4 = 12
9 + 3x + (-12 * 4 + 2x * 4) + -4 = 12
9 + 3x + (-48 + 8x) + -4 = 12

Reorder the terms:
9 + -48 + -4 + 3x + 8x = 12

Combine like terms: 9 + -48 = -39
-39 + -4 + 3x + 8x = 12

Combine like terms: -39 + -4 = -43
-43 + 3x + 8x = 12

Combine like terms: 3x + 8x = 11x
-43 + 11x = 12

Solving
-43 + 11x = 12

Solving for variable 'x'.

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

Add '43' to each side of the equation.
-43 + 43 + 11x = 12 + 43

Combine like terms: -43 + 43 = 0
0 + 11x = 12 + 43
11x = 12 + 43

Combine like terms: 12 + 43 = 55
11x = 55

Divide each side by '11'.
x = 5

Simplifying
x = 5

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