x2 - 42x + 441 = (x - 21)2
-1/19=x
42x+35x-35x=42x it's leave 85 so it's change into a negative 42x-85 is the answer
4x -17 equals 3 4x equals 20 x equals 5
if -4x+6=38 what x=
x2 - 42x + 441 = (x - 21)2
-1/19=x
y-42x = 24 >> Add 42x to both sides << y=24+42x >> Subtract 24 from both sides << y-24=42x >> Divine both sides by 42 << x=(y-24)/42
42x+35x-35x=42x it's leave 85 so it's change into a negative 42x-85 is the answer
4x -17 equals 3 4x equals 20 x equals 5
if -4x+6=38 what x=
If: 6x-6 = 4x Then: x = 3
10
4x = 42x+1Take the logarithm of each side of the equation:x log(4) = (2x+1) log(4)Divide each side of the equation by log(4) :x = 2x + 1Subtract 'x' from each side:x + 1 = 0Subtract ' 1 ' from each side:X = -1Check it out:4x = 42x+14(-1) = (?) 4(-2+1)4(-1) = 4(-1) yay!
-8 + 7x = x - 506x = -42x = -6
4x-7=5x-2 x=-5
All of them