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

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


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

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

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

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

Combine like terms: 6 + -4 = 2
2 + 9x + -4x = 12

Combine like terms: 9x + -4x = 5x
2 + 5x = 12

Solving
2 + 5x = 12

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 5x = 12 + -2

Combine like terms: 2 + -2 = 0
0 + 5x = 12 + -2
5x = 12 + -2

Combine like terms: 12 + -2 = 10
5x = 10

Divide each side by '5'.
x = 2

Simplifying
x = 2

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