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a+3.25+9.35+(2a+3.25+9.35)*0.0715=261.76
We simplify the equation to the form, which is simple to understand
a+3.25+9.35+(2a+3.25+9.35)*0.0715=261.76
Reorder the terms in parentheses
a+3.25+9.35+( + 0.9009 + 0.143a)=261.76
Remove unnecessary parentheses
+a+3.25+9.35 + 0.9009 + 0.143a=+261.76
We move all terms containing a to the left and all other terms to the right.
+1a + 0.143a=+261.76-3.25-9.35-0.9009
We simplify left and right side of the equation.
+1.143a=+248.2591
We divide both sides of the equation by 1.143 to get a.
a=217.19956255468
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