28+7a=0

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Solution for 28+7a=0 equation:


Simplifying
28 + 7a = 0

Solving
28 + 7a = 0

Solving for variable 'a'.

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

Add '-28' to each side of the equation.
28 + -28 + 7a = 0 + -28

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

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

Divide each side by '7'.
a = -4

Simplifying
a = -4

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