-9x-21=6

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Solution for -9x-21=6 equation: 


Simplifying
-9x + -21 = 6

Reorder the terms:
-21 + -9x = 6

Solving
-21 + -9x = 6

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + -9x = 6 + 21

Combine like terms: -21 + 21 = 0
0 + -9x = 6 + 21
-9x = 6 + 21

Combine like terms: 6 + 21 = 27
-9x = 27

Divide each side by '-9'.
x = -3

Simplifying
x = -3

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