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.