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

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


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

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

Combine like terms: 12x + -4x = 8x
9 + 8x = 3x + -7 + -1x + 30

Reorder the terms:
9 + 8x = -7 + 30 + 3x + -1x

Combine like terms: -7 + 30 = 23
9 + 8x = 23 + 3x + -1x

Combine like terms: 3x + -1x = 2x
9 + 8x = 23 + 2x

Solving
9 + 8x = 23 + 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.
9 + 8x + -2x = 23 + 2x + -2x

Combine like terms: 8x + -2x = 6x
9 + 6x = 23 + 2x + -2x

Combine like terms: 2x + -2x = 0
9 + 6x = 23 + 0
9 + 6x = 23

Add '-9' to each side of the equation.
9 + -9 + 6x = 23 + -9

Combine like terms: 9 + -9 = 0
0 + 6x = 23 + -9
6x = 23 + -9

Combine like terms: 23 + -9 = 14
6x = 14

Divide each side by '6'.
x = 2.333333333

Simplifying
x = 2.333333333

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