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0 votes
B = 3/4 a a + b = 21
Solve.

2 Answers

4 votes

Answer: 21 3/4

Explanation:

a+b => 3/4+21=21 3/4

0 votes
3/4 + a = 21

Change 21 into a fraction 84/4

84/4 - 3/4 = 81/4
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