-21+28a=7

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Solution for -21+28a=7 equation:


Simplifying
-21 + 28a = 7

Solving
-21 + 28a = 7

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 + 28a = 7 + 21

Combine like terms: -21 + 21 = 0
0 + 28a = 7 + 21
28a = 7 + 21

Combine like terms: 7 + 21 = 28
28a = 28

Divide each side by '28'.
a = 1

Simplifying
a = 1

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