Answer:
a = 9/8
Explanation:
You want to solve the equation -1/2 +a = 5/8.
Solution
This one-step linear equation is solved by adding the opposite of the constant on the left.
-1/2 +a = 5/8 . . . . . . . . . . . . . given
a = 5/8 +1/2 = 5/8 +4/8 . . . . 1/2 added to both sides; 1/2 written as 4/8
a = 9/8
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