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0.5a + 0.01(90)=0.02(a+90)
We simplify the equation to the form, which is simple to understand
0.5a + 0.01(90)=0.02(a+90)
Reorder the terms in parentheses
0.5a+( + 0.9)=0.02*(a+90)
Remove unnecessary parentheses
+ 0.5a + 0.9=0.02+*(+a+90+)
Reorder the terms in parentheses
0.5a + 0.9=+( + 0.02a+1.8)
Remove unnecessary parentheses
+ 0.5a + 0.9=0.02a+1.8
We move all terms containing a to the left and all other terms to the right.
+ 0.5a-0.02a=+1.8-0.9
We simplify left and right side of the equation.
+ 0.48a=0.9
We divide both sides of the equation by 0.48 to get a.
a=1.875
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