4x + 2 + 2x - 2x = 14 4x = 14 - 2 4x = 12 x = 3
2x-3=4x+9 -2x-12=0 2x=-12 x=-6
x=5.54x+1= 2x+12-1 -14x=2x+11-2x -2x2x=11/2 /2x=5.5
-2x = -4x + 24 -2x + 4x = 24 2x = 24 x = 24/2 x = 12
4x - 7 = 2x + 5 2x - 7 = 5 2x = 12 x = 6.
4x + 6 = 6x - 12-4x -4x6 = 2x - 12+12 +1218 = 2xx=9
They are parallel lines.
2x + 6x + 4x = 12x
4x - 5 + 2x = 37
-2x = -4x + 24 2x = 24 x = 12
-2x=-4x*24 x=12
-4x - 8 = -2x + 12Add 4x to each side:-8 = 2x + 12Subtract 12 from each side:-20 = 2xDivide each side by 2:-10 = x