Question

verify x + y = y + x for x = -3 by 5,y = -7 by 10​

Answer 1

Answer:

We have to prove that $\frac{-3}{5} +\frac{-7}{10} =\frac{-7}{10} +\frac{-3}{5}$.

Solving this,

$\frac{-6-7}{10} =\frac{-7-6}{10}$ (Taking the LCM)

$\frac{-13}{10} =\frac{-13}{10}$

∴ x+y=y+x

Hence verified.

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