Answer:
The answer is a = 4.5
Explanation:
To find this we start by dividing away the coefficient of a.
10a = 45 ----> Divide both by 10
a = 4.5
a = 4 1/2
10a = 45
Divide each side by 10
10a/10 = 45/10
a = 45/10
Divide the top and bottom by 5
a = 9/2
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