28-7a=-49

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Solution for 28-7a=-49 equation: 


Simplifying
28 + -7a = -49

Solving
28 + -7a = -49

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 = -49 + -28

Combine like terms: 28 + -28 = 0
0 + -7a = -49 + -28
-7a = -49 + -28

Combine like terms: -49 + -28 = -77
-7a = -77

Divide each side by '-7'.
a = 11

Simplifying
a = 11

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