x=9
5 - 2x = 16 - 4x ie 4x - 2x = 16 - 5 ie 2x = 11 ie x = 5.5 Check: does 5 - 11 = 16 - 22? Yes, both = -6.
-5 + -3x + -x + 16-4x + 11
4x - 1 = 15 Therefore, 4x = 16 x = 16/4 Therefore, x = 4
2(4x)=16 8x=16 x=2 24x=16 x=16/24 x=2/3
-4x - 7 = 16 -4x = 16 + 7 -4x = 23 x = -23/4 x = -5.75 Check: -4(-5.74) - 7 = 16 23 - 7 = 16 16 = 16
4x-10y=11 4x=11+10y 10y+11=4x 10y=4x-11 y=(4/10)x-(11/10) y=(2/5)x-(11/10)
if 4x+1=12 4x+1-1=12-1 4x=11 4x/4=11/4 x=11/4
4x + 3 = 16 Therefore, 4x = 13 x = 13/4 Therefore, x = 3.25
If you mean 6(x-11) = 15-4x then 6x-66 = 15-4x and the value of x works out as 8.1
x² - 4x - 77 = (x + 7)(x - 11)
x2-10 = 4x+11 x2-4x-10-11 = 0 x2-4x-21 = 0 (x+3)(x-7) = 0 x = -3 and x = 7
8x + 9.16 = 4x + 16 8x - 4x = 16 - 9.16 4x = 6.84 x= 1.71