Question

Verify that x+y = y+x
If x= -7/8
y= -4/15

Answer 1

Answer:

$x + y = \frac{ - 7}{8} + \frac{ - 4}{15} = \frac{ - 105 - 32}{ 120} = \frac{ - 137}{120}$

$y + x = \frac{ - 4}{15} + \frac{ - 7}{8} = \frac{ - 32 - 105}{ 120} = \frac{ - 137}{120}$

so the equation is verified