-7+a=28

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Solution for -7+a=28 equation: 


Simplifying
-7 + a = 28

Solving
-7 + a = 28

Solving for variable 'a'.

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

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

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

Combine like terms: 28 + 7 = 35
a = 35

Simplifying
a = 35

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