Question

X=2
Y=-2
a) X+Y-4
b)-X+Y-1
c)X-Y+2
d)-X-Y+7​

Answer 1

Explicação passo-a-passo:

a) 2-2-4= -4

b) - 2 +(-2) -1= -2-2-1= -5

c) 2-(-2)+2= 2+2+2= 6

d) -2 - (-2)+7= -2+2 +7= +7

Answer 2

Resposta:

a) 2+(-2)-4=

2-2-4=

-8

b) -2+(-2)-1=

-2-2-1=

-5

c) 2-(-2)+2=

2+2+2=

6

d) -2-(-2)+7=

-2+2+7=

-2+9=

7