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

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


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

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

Combine like terms: 12 + 9 = 21
21 + -4 + -4x = 3x + -7 + -1x + 30

Combine like terms: 21 + -4 = 17
17 + -4x = 3x + -7 + -1x + 30

Reorder the terms:
17 + -4x = -7 + 30 + 3x + -1x

Combine like terms: -7 + 30 = 23
17 + -4x = 23 + 3x + -1x

Combine like terms: 3x + -1x = 2x
17 + -4x = 23 + 2x

Solving
17 + -4x = 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.
17 + -4x + -2x = 23 + 2x + -2x

Combine like terms: -4x + -2x = -6x
17 + -6x = 23 + 2x + -2x

Combine like terms: 2x + -2x = 0
17 + -6x = 23 + 0
17 + -6x = 23

Add '-17' to each side of the equation.
17 + -17 + -6x = 23 + -17

Combine like terms: 17 + -17 = 0
0 + -6x = 23 + -17
-6x = 23 + -17

Combine like terms: 23 + -17 = 6
-6x = 6

Divide each side by '-6'.
x = -1

Simplifying
x = -1

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