3(7+b)=18

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Solution for 3(7+b)=18 equation:



3(7+b)=18
We move all terms to the left:
3(7+b)-(18)=0
We add all the numbers together, and all the variables
3(b+7)-18=0
We multiply parentheses
3b+21-18=0
We add all the numbers together, and all the variables
3b+3=0
We move all terms containing b to the left, all other terms to the right
3b=-3
b=-3/3
b=-1

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