99-6x=21x+15

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Solution for 99-6x=21x+15 equation:


Simplifying
99 + -6x = 21x + 15

Reorder the terms:
99 + -6x = 15 + 21x

Solving
99 + -6x = 15 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
99 + -6x + -21x = 15 + 21x + -21x

Combine like terms: -6x + -21x = -27x
99 + -27x = 15 + 21x + -21x

Combine like terms: 21x + -21x = 0
99 + -27x = 15 + 0
99 + -27x = 15

Add '-99' to each side of the equation.
99 + -99 + -27x = 15 + -99

Combine like terms: 99 + -99 = 0
0 + -27x = 15 + -99
-27x = 15 + -99

Combine like terms: 15 + -99 = -84
-27x = -84

Divide each side by '-27'.
x = 3.111111111

Simplifying
x = 3.111111111

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