0.5(8b-12)+9=1.3(9-15b)-3b

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Solution for 0.5(8b-12)+9=1.3(9-15b)-3b equation: 



0.5(8b-12)+9=1.3(9-15b)-3b

We move all terms to the left:

0.5(8b-12)+9-(1.3(9-15b)-3b)=0

We add all the numbers together, and all the variables

0.5(8b-12)-(1.3(-15b+9)-3b)+9=0

We multiply parentheses

4b-(1.3(-15b+9)-3b)-6+9=0



We calculate terms in parentheses: -(1.3(-15b+9)-3b), so:

1.3(-15b+9)-3b

We add all the numbers together, and all the variables

-3b+1.3(-15b+9)

We multiply parentheses

-3b-19.5b+11.7

We add all the numbers together, and all the variables

-22.5b+11.7

Back to the equation:

-(-22.5b+11.7)



We add all the numbers together, and all the variables

4b-(-22.5b+11.7)+3=0

We get rid of parentheses

4b+22.5b-11.7+3=0

We add all the numbers together, and all the variables

26.5b-8.7=0

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

26.5b=8.7

b=8.7/26.5

b=3.2222222222222/9.8148148148148

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