4x+99=9x-6

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Solution for 4x+99=9x-6 equation:


Simplifying
4x + 99 = 9x + -6

Reorder the terms:
99 + 4x = 9x + -6

Reorder the terms:
99 + 4x = -6 + 9x

Solving
99 + 4x = -6 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
99 + 4x + -9x = -6 + 9x + -9x

Combine like terms: 4x + -9x = -5x
99 + -5x = -6 + 9x + -9x

Combine like terms: 9x + -9x = 0
99 + -5x = -6 + 0
99 + -5x = -6

Add '-99' to each side of the equation.
99 + -99 + -5x = -6 + -99

Combine like terms: 99 + -99 = 0
0 + -5x = -6 + -99
-5x = -6 + -99

Combine like terms: -6 + -99 = -105
-5x = -105

Divide each side by '-5'.
x = 21

Simplifying
x = 21

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