0
Wiki User
45x
X=7
2x = -x +9
If x=4 then 2x+7 =
5x + x - 6x + 2x = 2x
2x+2=x+5 x=3
x = 9.
3x
x=1
x=0
If 5 x equals 9 plus 2x then x equals?
x2 - 2x + 55 = 90x2 - 2x - 35 = 0(x+5)(x-7) = 0x = -5, 7
x equals 19
x = 0