-2(4-2.5b)=17.5

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Solution for -2(4-2.5b)=17.5 equation: 



-2(4-2.5b)=17.5

We move all terms to the left:

-2(4-2.5b)-(17.5)=0

We add all the numbers together, and all the variables

-2(-2.5b+4)-(17.5)=0

We add all the numbers together, and all the variables

-2(-2.5b+4)-17.5=0

We multiply parentheses

4b-8-17.5=0

We add all the numbers together, and all the variables

4b-25.5=0

We move all terms containing b to the left, all other terms to the right

4b=25.5

b=25.5/4

b=6+1/2.6666666666667

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