-10=xa-21

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Solution for -10=xa-21 equation:


Simplifying
-10 = xa + -21

Reorder the terms:
-10 = -21 + ax

Solving
-10 = -21 + ax

Solving for variable 'a'.

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

Add '-1ax' to each side of the equation.
-10 + -1ax = -21 + ax + -1ax

Combine like terms: ax + -1ax = 0
-10 + -1ax = -21 + 0
-10 + -1ax = -21

Add '10' to each side of the equation.
-10 + 10 + -1ax = -21 + 10

Combine like terms: -10 + 10 = 0
0 + -1ax = -21 + 10
-1ax = -21 + 10

Combine like terms: -21 + 10 = -11
-1ax = -11

Divide each side by '-1x'.
a = 11x-1

Simplifying
a = 11x-1

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