8X+(12-X)=3X+(4-8X)

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Solution for 8X+(12-X)=3X+(4-8X) equation: 


Simplifying
8X + (12 + -1X) = 3X + (4 + -8X)

Remove parenthesis around (12 + -1X)
8X + 12 + -1X = 3X + (4 + -8X)

Reorder the terms:
12 + 8X + -1X = 3X + (4 + -8X)

Combine like terms: 8X + -1X = 7X
12 + 7X = 3X + (4 + -8X)

Remove parenthesis around (4 + -8X)
12 + 7X = 3X + 4 + -8X

Reorder the terms:
12 + 7X = 4 + 3X + -8X

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

Solving
12 + 7X = 4 + -5X

Solving for variable 'X'.

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

Add '5X' to each side of the equation.
12 + 7X + 5X = 4 + -5X + 5X

Combine like terms: 7X + 5X = 12X
12 + 12X = 4 + -5X + 5X

Combine like terms: -5X + 5X = 0
12 + 12X = 4 + 0
12 + 12X = 4

Add '-12' to each side of the equation.
12 + -12 + 12X = 4 + -12

Combine like terms: 12 + -12 = 0
0 + 12X = 4 + -12
12X = 4 + -12

Combine like terms: 4 + -12 = -8
12X = -8

Divide each side by '12'.
X = -0.6666666667

Simplifying
X = -0.6666666667

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