-6.4b-18=-8(-3+2.9b)

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Solution for -6.4b-18=-8(-3+2.9b) equation: 



-6.4b-18=-8(-3+2.9b)

We move all terms to the left:

-6.4b-18-(-8(-3+2.9b))=0

We add all the numbers together, and all the variables

-6.4b-(-8(2.9b-3))-18=0



We calculate terms in parentheses: -(-8(2.9b-3)), so:

-8(2.9b-3)

We multiply parentheses

-16b+24

Back to the equation:

-(-16b+24)



We get rid of parentheses

-6.4b+16b-24-18=0

We add all the numbers together, and all the variables

9.6b-42=0

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

9.6b=42

b=42/9.6

b=4+1/2.6666666666667

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