If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
x-(21/(-17)) = 15 // - 15
x-(21/(-17))-15 = 0
x+21/17-15 = 0
x-234/17 = 0 // + 234/17
x = 234/17
x = 234/17
| 2x+-2y=10 | | E=1/7•3.14•t•t•v | | 5y+5=(7y-9) | | (x+2)(x-4)=40 | | 15w-5-7w-8= | | 5x+29+2x+50=180 | | t/25=28 | | 14-1.25x=.74(2x-19) | | -2x-4.5+7k=1.8 | | 8sin(x)(cos(x)-1)=0 | | 9(2x+1)=81 | | 2/9v-28=-8 | | -3(1+7p)=165 | | 4c+9-c=15 | | .35-.35x=.66(.75x-1.8) | | y=7+2.4(x-5) | | 3(-5+7m)=-141 | | 4c+5=4 | | -8(5/2) | | 7+13x=14x+1 | | 16.00=3.50+2.50r | | (4x+4)+(6x+4)= | | 3*x^2-31*x+5=0 | | a/4=16 | | .36(11x-4)=1.8(7-2x) | | G(-3)=3-4x | | 41-10x=19+12x | | 1.5(16-x)=-12(x+7) | | 6(7x+6)=-216 | | 14=10x | | -1/5(-2/7) | | 56=a+22 |