12x+84=-3x+6

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Solution for 12x+84=-3x+6 equation:


Simplifying
12x + 84 = -3x + 6

Reorder the terms:
84 + 12x = -3x + 6

Reorder the terms:
84 + 12x = 6 + -3x

Solving
84 + 12x = 6 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
84 + 12x + 3x = 6 + -3x + 3x

Combine like terms: 12x + 3x = 15x
84 + 15x = 6 + -3x + 3x

Combine like terms: -3x + 3x = 0
84 + 15x = 6 + 0
84 + 15x = 6

Add '-84' to each side of the equation.
84 + -84 + 15x = 6 + -84

Combine like terms: 84 + -84 = 0
0 + 15x = 6 + -84
15x = 6 + -84

Combine like terms: 6 + -84 = -78
15x = -78

Divide each side by '15'.
x = -5.2

Simplifying
x = -5.2

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