Question

2-Se x=-2 e y=3 calcule a)x-y b)-x+2y c)2y-3x

Answer 1

a)x-y

-2-3= -5

b)-x+2y

-(-2)+2.3

2+6= 8

c)2y-3x

2.3-3.(-2)

6+6= 12

Espero ter ajudado