x=4-7

x=-3

Left =-3+7=4

Right =4

Left = right, so X=-3.

(2)5X=4X+3

x=3

Left =3*5= 15

Right =4*3+3= 15

Left = right, so X=3.

(3)-2X=6

x=-3

left =-2 *(3)= 6

Right =6

Left = right, so X=-3.

(4) 0.5X+ 1=3

x=2/0.5

x=4

Left =0.5*4+ 1=2+ 1=3

Right =3

Left = right, so X=4.