if 3x+7 = 3 then 3x = 3-7 3x = -4 then, x = -4/3
3x+7=37 -7 -7 3x=30 /3 /3 x=10
3x + 4= 7 3x= 7-4 3x/3 = 3/3 x=1
3x + 7 = 3(-3) + 7= -9 + 7= -2
7x = 3 x = 3/7
If: 3x-7+x = 5 Then: x = 3
The answer is -7
x = 7 and 2/3
(1, 1)
x+7=3x+3 4=2x 4/2=2 x=2
x=-3
x = -7