10(1+4b)=-20

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Solution for 10(1+4b)=-20 equation: 



10(1+4b)=-20

We move all terms to the left:

10(1+4b)-(-20)=0

We add all the numbers together, and all the variables

10(4b+1)-(-20)=0

We add all the numbers together, and all the variables

10(4b+1)+20=0

We multiply parentheses

40b+10+20=0

We add all the numbers together, and all the variables

40b+30=0

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

40b=-30

b=-30/40

b=-3/4

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