3.2b+4.1b=7.4

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Solution for 3.2b+4.1b=7.4 equation: 



3.2b+4.1b=7.4

We move all terms to the left:

3.2b+4.1b-(7.4)=0

We add all the numbers together, and all the variables

7.3b-7.4=0

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

7.3b=7.4

b=7.4/7.3

b=1+0.1/7.3

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