3(2b+5)=-21*

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Solution for 3(2b+5)=-21* equation:



3(2b+5)=-21*
We move all terms to the left:
3(2b+5)-(-21*)=0
We add all the numbers together, and all the variables
3(2b+5)-0=0
We add all the numbers together, and all the variables
3(2b+5)=0
We multiply parentheses
6b+15=0
We move all terms containing b to the left, all other terms to the right
6b=-15
b=-15/6
b=-2+1/2

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