7a-56=28

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Solution for 7a-56=28 equation: 


Simplifying
7a + -56 = 28

Reorder the terms:
-56 + 7a = 28

Solving
-56 + 7a = 28

Solving for variable 'a'.

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

Add '56' to each side of the equation.
-56 + 56 + 7a = 28 + 56

Combine like terms: -56 + 56 = 0
0 + 7a = 28 + 56
7a = 28 + 56

Combine like terms: 28 + 56 = 84
7a = 84

Divide each side by '7'.
a = 12

Simplifying
a = 12

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