b+1.6(b+2)+15+2b-9=90

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Solution for b+1.6(b+2)+15+2b-9=90 equation:


b+1.6(b+2)+15+2b-9=90

We simplify the equation to the form, which is simple to understand 
b+1.6(b+2)+15+2b-9=90

Reorder the terms in parentheses
b+(+1.6b+3.2)+15+2b-9=90

Remove unnecessary parentheses
+b+1.6b+3.2+15+2b-9=+90

We move all terms containing b to the left and all other terms to the right. 
+1b+1.6b+2b=+90-3.2-15+9

We simplify left and right side of the equation. 
+4.6b=+80.8

We divide both sides of the equation by 4.6 to get b. 
b=17.5652173913

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