3(12-x)-4x=2(11-x)+9

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Solution for 3(12-x)-4x=2(11-x)+9 equation:


Simplifying
3(12 + -1x) + -4x = 2(11 + -1x) + 9
(12 * 3 + -1x * 3) + -4x = 2(11 + -1x) + 9
(36 + -3x) + -4x = 2(11 + -1x) + 9

Combine like terms: -3x + -4x = -7x
36 + -7x = 2(11 + -1x) + 9
36 + -7x = (11 * 2 + -1x * 2) + 9
36 + -7x = (22 + -2x) + 9

Reorder the terms:
36 + -7x = 22 + 9 + -2x

Combine like terms: 22 + 9 = 31
36 + -7x = 31 + -2x

Solving
36 + -7x = 31 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
36 + -7x + 2x = 31 + -2x + 2x

Combine like terms: -7x + 2x = -5x
36 + -5x = 31 + -2x + 2x

Combine like terms: -2x + 2x = 0
36 + -5x = 31 + 0
36 + -5x = 31

Add '-36' to each side of the equation.
36 + -36 + -5x = 31 + -36

Combine like terms: 36 + -36 = 0
0 + -5x = 31 + -36
-5x = 31 + -36

Combine like terms: 31 + -36 = -5
-5x = -5

Divide each side by '-5'.
x = 1

Simplifying
x = 1

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