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

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


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

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

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

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

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

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

Solving
5 + 8x = 30 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
5 + 8x + 4x = 30 + -4x + 4x

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

Combine like terms: -4x + 4x = 0
5 + 12x = 30 + 0
5 + 12x = 30

Add '-5' to each side of the equation.
5 + -5 + 12x = 30 + -5

Combine like terms: 5 + -5 = 0
0 + 12x = 30 + -5
12x = 30 + -5

Combine like terms: 30 + -5 = 25
12x = 25

Divide each side by '12'.
x = 2.083333333

Simplifying
x = 2.083333333

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