Answer:
b = 29
Explanation:
b+7/4 = 9
b + 7 = 9 (4)
b = 36 - 7
5.14
first you divide 7 by 4 then you get 1.75, then you want to divide 1.75 by 1.75 to get it to 0, then you divide 9 by 1.75 so b=5.14
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