3x-6y=9 -3x -3x -6y=9-3x __ ____ -6 -6 y=9-3x ____ -6
3x-9 to = -6
3x+9/2=9 3x=9-9/2 3x=9/2 x=9/6 x=3/2
7x - 9 = 3x + 5 7x - 3x - 9 = 5 7x - 3x = 5 + 9 4x = 14 x = 14/4
(3x - 9 =15) +9 = 3x=(24)/3 = x=8 x=8
3x-6y=9 -3x -3x -6y=9-3x __ ____ -6 -6 y=9-3x ____ -6
3x multiplied by (12x plus 9) is:3x(12x + 9)= (3x * 12x) + (3x * 9)= 36x2 + 27x
3x-9 to = -6
7x5=3x-9 35=3x-9 35+9=3x 44=3x 44/3=x 14.3=x x=14.3
-12
3x-y=9 y=3x-9
3x+9/2=9 3x=9-9/2 3x=9/2 x=9/6 x=3/2
3x+9=2x+10 3x+9-2x=10 9+x=10 x=1
7x - 9 = 3x + 5 7x - 3x - 9 = 5 7x - 3x = 5 + 9 4x = 14 x = 14/4
3x - 5 = 9 3x = 9 + 5 3x = 14 x = 14/3 or 4 2/3
3x-3 = 6 3x = 6+3 3x = 9 x = 3
(3x - 9 =15) +9 = 3x=(24)/3 = x=8 x=8