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3.99a+8.99(32-a)=32(5.99)
We simplify the equation to the form, which is simple to understand
3.99a+8.99(32-a)=32(5.99)
Reorder the terms in parentheses
3.99a+(+287.68-8.99a)=32*(5.99)
Remove unnecessary parentheses
+3.99a+287.68-8.99a=+32+*(+5.99+)
Reorder the terms in parentheses
3.99a+287.68-8.99a=+(+191.68)
Remove unnecessary parentheses
+3.99a+287.68-8.99a=+191.68
We move all terms containing a to the left and all other terms to the right.
+3.99a-8.99a=+191.68-287.68
We simplify left and right side of the equation.
-5a=-96
We divide both sides of the equation by -5 to get a.
a=19.2
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