18.5=4.1(7+b)/2

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Solution for 18.5=4.1(7+b)/2 equation:



18.5=4.1(7+b)/2
We move all terms to the left:
18.5-(4.1(7+b)/2)=0
We add all the numbers together, and all the variables
-(4.1(b+7)/2)+18.5=0
We multiply all the terms by the denominator
-(4.1(b+7)+(18.5)*2)=0
We calculate terms in parentheses: -(4.1(b+7)+(18.5)*2), so:
4.1(b+7)+(18.5)*2
We add all the numbers together, and all the variables
4.1(b+7)+37
We multiply parentheses
4.1b+28.7+37
We add all the numbers together, and all the variables
4.1b+65.7
Back to the equation:
-(4.1b+65.7)
We get rid of parentheses
-4.1b-65.7=0
We move all terms containing b to the left, all other terms to the right
-4.1b=65.7
b=65.7/-4.1
b=-16+0.10000000000001/4.1

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