40b+48=42b+7

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Solution for 40b+48=42b+7 equation: 



40b+48=42b+7

We move all terms to the left:

40b+48-(42b+7)=0

We get rid of parentheses

40b-42b-7+48=0

We add all the numbers together, and all the variables

-2b+41=0

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

-2b=-41

b=-41/-2

b=20+1/2

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