-21+a=25

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Solution for -21+a=25 equation: 


Simplifying
-21 + a = 25

Solving
-21 + a = 25

Solving for variable 'a'.

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

Add '21' to each side of the equation.
-21 + 21 + a = 25 + 21

Combine like terms: -21 + 21 = 0
0 + a = 25 + 21
a = 25 + 21

Combine like terms: 25 + 21 = 46
a = 46

Simplifying
a = 46

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