Question

verify that a+b= b+a for

a=3/4 ,b= -7/12​

Answer 1

Answer:

a+b=b+a

3/4+(-7/12)=-7/12+3/4

9/12-7/12=-7/12+9/12

9-7/12=-7+9/12

1/6=1/6

Step-by-step explanation:

Answer 2

Answer:

$a + b = \frac{3}{4} + \frac{ - 7}{12} \\ \frac{9 - 7}{12} \\ \frac{2}{12} \\ \frac{1}{6} \\ \\ \\ b + a = \frac{ - 7}{12} + \frac{3}{4} \\ \frac{ - 7 + 9}{12} \\ \frac{2}{12} \\ \frac{1}{6} \\ \\ therefore \: a + b = b + a$

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