9-5x=X-21

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Solution for 9-5x=X-21 equation:


Simplifying
9 + -5x = X + -21

Reorder the terms:
9 + -5x = -21 + X

Solving
9 + -5x = -21 + X

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + -5x = -21 + -9 + X

Combine like terms: 9 + -9 = 0
0 + -5x = -21 + -9 + X
-5x = -21 + -9 + X

Combine like terms: -21 + -9 = -30
-5x = -30 + X

Divide each side by '-5'.
x = 6 + -0.2X

Simplifying
x = 6 + -0.2X

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