6x+9=18x-3+81

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Solution for 6x+9=18x-3+81 equation:


Simplifying
6x + 9 = 18x + -3 + 81

Reorder the terms:
9 + 6x = 18x + -3 + 81

Reorder the terms:
9 + 6x = -3 + 81 + 18x

Combine like terms: -3 + 81 = 78
9 + 6x = 78 + 18x

Solving
9 + 6x = 78 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
9 + 6x + -18x = 78 + 18x + -18x

Combine like terms: 6x + -18x = -12x
9 + -12x = 78 + 18x + -18x

Combine like terms: 18x + -18x = 0
9 + -12x = 78 + 0
9 + -12x = 78

Add '-9' to each side of the equation.
9 + -9 + -12x = 78 + -9

Combine like terms: 9 + -9 = 0
0 + -12x = 78 + -9
-12x = 78 + -9

Combine like terms: 78 + -9 = 69
-12x = 69

Divide each side by '-12'.
x = -5.75

Simplifying
x = -5.75

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