8-9x=21x-17

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Solution for 8-9x=21x-17 equation:


Simplifying
8 + -9x = 21x + -17

Reorder the terms:
8 + -9x = -17 + 21x

Solving
8 + -9x = -17 + 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.
8 + -9x + -21x = -17 + 21x + -21x

Combine like terms: -9x + -21x = -30x
8 + -30x = -17 + 21x + -21x

Combine like terms: 21x + -21x = 0
8 + -30x = -17 + 0
8 + -30x = -17

Add '-8' to each side of the equation.
8 + -8 + -30x = -17 + -8

Combine like terms: 8 + -8 = 0
0 + -30x = -17 + -8
-30x = -17 + -8

Combine like terms: -17 + -8 = -25
-30x = -25

Divide each side by '-30'.
x = 0.8333333333

Simplifying
x = 0.8333333333

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