Question

Verify
if
a + b = b+a
a= -12/5
b=2/7
​

Answer 1

Answer

346888

Explanation


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Answer 2

Answer:

$a + b = b + a \\ = l.h.s \frac{ - 12}{5} + \frac{2}{7} = r.h.s \frac{2}{7} + \frac{ - 12}{5} \\ = \frac{ - 84 + 10}{35} = \frac{10 + ( - 84)}{35} \\ = \frac{ - 74}{35} = \frac{ - 74}{35} (proved)$