8
2x-3 = 17 2x = 17+3 2x = 20 x = 10
2x + 5 = 25 2x = 20x = 10
10 - 3x = x - 2x + 40 10 - 3x = - x + 40 10 - 40 = 3x - x -30 = 2x -15 = x
2x -6 = 4 then 2x = 4 +6 x=10/2 = 5
2X - 5Y = 10 subtract 2X from each side - 5Y = - 2X + 10 divide each side by - 5 Y = 2/5X - 2 slope(m) = 2/5
2x - 5 = 15 2x = 20 x = 10
2x+y = 10 or y = -2x + 10 so the slope is -2
8
10
To find x -2x = 20 divide both sides by negative 2 -2x/-2 = 20/ -2 x = -10
2x - 4 = -10 2x = -10 +4 2x = -6 x = -3
4 - 2x = 10 -2x = 10-4 -2x = 6 -x = 3 x = -3
2x+10=12 2x=2 x=1
10
2x-2 = 10 2x= 10+2 2x=12 x= 12/2 x=6
the answer equals -10
2x + 10 = 182x = 8x = 4