Question

verify a + b = b + a for a = 3/4 and b = -2/3​

Answer 1

Answer:

Answer is in the above picture

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Answer 2

a+b=b+a

a=3/4. b= -2/3

3/4 -2/3= -2/3 + 3/4

3/4-2/3= -2/3 +.3/4

9-8/12= -8+9/12

1/12= 1/12