Question

6. Calculați: a) x+3 x+1 x+2 x-3 b) x+4 x-6 x+5 x-4' c) 6-x x+5 x+7 2-x d) 9+x 2-x x-5.x+8​

Answer 1

Explicație pas cu pas:

a)x+3=-3

x+1=-1

x+2=-2

x-3=3

b)x+4=-4

x-6=6

x+5=-5

x-4=4

c)6-x=6

x+5=-5

x+7=-7

2-x=2

d)9+x=-9

2-x=2

x-5=5

x+8=-8