2x+99=8x+9

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Solution for 2x+99=8x+9 equation:


Simplifying
2x + 99 = 8x + 9

Reorder the terms:
99 + 2x = 8x + 9

Reorder the terms:
99 + 2x = 9 + 8x

Solving
99 + 2x = 9 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
99 + 2x + -8x = 9 + 8x + -8x

Combine like terms: 2x + -8x = -6x
99 + -6x = 9 + 8x + -8x

Combine like terms: 8x + -8x = 0
99 + -6x = 9 + 0
99 + -6x = 9

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

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

Combine like terms: 9 + -99 = -90
-6x = -90

Divide each side by '-6'.
x = 15

Simplifying
x = 15

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