Answer:
2(3b+6) = 78
6b+ 12 = 78
Subtract 12 from both sides
6b+12-12=78-12
6b = 66
b = 11
Explanation:
2(3b + 6) = 78 (divide both sides by 2 )
3b + 6 = 39 ( subtract 6 from both sides )
3b = 33 ( divide both sides by 3 )
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