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

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


Simplifying
3(3x + -2) + -1(x + 12) = 4

Reorder the terms:
3(-2 + 3x) + -1(x + 12) = 4
(-2 * 3 + 3x * 3) + -1(x + 12) = 4
(-6 + 9x) + -1(x + 12) = 4

Reorder the terms:
-6 + 9x + -1(12 + x) = 4
-6 + 9x + (12 * -1 + x * -1) = 4
-6 + 9x + (-12 + -1x) = 4

Reorder the terms:
-6 + -12 + 9x + -1x = 4

Combine like terms: -6 + -12 = -18
-18 + 9x + -1x = 4

Combine like terms: 9x + -1x = 8x
-18 + 8x = 4

Solving
-18 + 8x = 4

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 8x = 4 + 18

Combine like terms: -18 + 18 = 0
0 + 8x = 4 + 18
8x = 4 + 18

Combine like terms: 4 + 18 = 22
8x = 22

Divide each side by '8'.
x = 2.75

Simplifying
x = 2.75

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