Question

va rog am nevoie urgent​

Answer 1

b)x-3=-1

x=-1+3

x=+2

a)

3x=-4+1

3x=-3

x=-3:3=-1

c)2x+1=9

2x=9-1

2x=8

x=8:2=4

d)5-x=2

x=5-2=3