12x+9-4x-4=3x-7-x-x+30

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Solution for 12x+9-4x-4=3x-7-x-x+30 equation:


Simplifying
12x + 9 + -4x + -4 = 3x + -7 + -1x + -1x + 30

Reorder the terms:
9 + -4 + 12x + -4x = 3x + -7 + -1x + -1x + 30

Combine like terms: 9 + -4 = 5
5 + 12x + -4x = 3x + -7 + -1x + -1x + 30

Combine like terms: 12x + -4x = 8x
5 + 8x = 3x + -7 + -1x + -1x + 30

Reorder the terms:
5 + 8x = -7 + 30 + 3x + -1x + -1x

Combine like terms: -7 + 30 = 23
5 + 8x = 23 + 3x + -1x + -1x

Combine like terms: 3x + -1x = 2x
5 + 8x = 23 + 2x + -1x

Combine like terms: 2x + -1x = 1x
5 + 8x = 23 + 1x

Solving
5 + 8x = 23 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
5 + 8x + -1x = 23 + 1x + -1x

Combine like terms: 8x + -1x = 7x
5 + 7x = 23 + 1x + -1x

Combine like terms: 1x + -1x = 0
5 + 7x = 23 + 0
5 + 7x = 23

Add '-5' to each side of the equation.
5 + -5 + 7x = 23 + -5

Combine like terms: 5 + -5 = 0
0 + 7x = 23 + -5
7x = 23 + -5

Combine like terms: 23 + -5 = 18
7x = 18

Divide each side by '7'.
x = 2.571428571

Simplifying
x = 2.571428571

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