Question

what is (55-_____)X3=138??​

Answer 1

Answer:

9

Step-by-step explanation:

let the no. be x

55-x=138/3

55-x=46

-x=46-55

-x=-9

x=9

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Answer 2

Step-by-step explanation:

(55-x)*3=138

(55*3)-(x*3) =138

(165)-3x= 138

-3x= 138-165

-3x= - 27

(minus on both side gets cancelled)

3x=27

X= 27/3

=x=9