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76=-3b-49
We move all terms to the left:
76-(-3b-49)=0
We get rid of parentheses
3b+49+76=0
We add all the numbers together, and all the variables
3b+125=0
We move all terms containing b to the left, all other terms to the right
3b=-125
b=-125/3
b=-41+2/3
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