Question

7x+5y-z=8

Afla numerele.

Answer 1

7x+5y-z = 8

7x = 8-5y+z => $x= \frac{-5y+z+8}{7}$

5y = 8+z-7x => $y= \frac{-7x+z+8}{5}$

-z = 8-7x-5y => $z = 7x+5y-8$

Sunt o infinitate de solutii.