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Which value of b from the set {10,11,12} makes this question true?

55 - 3b = 19

User BrMcMullin
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2 Answers

1 vote
55-3(12)=19
first multiply and then subtract
User TEFO
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3 votes
solve

55-3b=19
minus 55 both sides
-3b=-36
divide both sides by -3
b=12

the value of b is 12
User Dillion Ecmark
by
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