Which value of b from the set {10,11,12} makes this question true? 55 - 3b = 19

asked Jul 11, 2017 174k views

3 votes

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

55 - 3b = 19

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1 vote

55-3(12)=19
first multiply and then subtract

TEFO answered Jul 13, 2017

by TEFO

7.8k points

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

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