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)
8*x-(91/7) = 4*x // - 4*x
8*x-(4*x)-(91/7) = 0
8*x-4*x-13 = 0
4*x-13 = 0 // + 13
4*x = 13 // : 4
x = 13/4
x = 13/4
| 44=14-2y | | 6.25y=-100 | | 5x-6y=2.7 | | -5x-8+3-4x=1 | | Y+2=-3(-2-4) | | 2(2x+2)=7(x+5) | | 5x+4y=54.6 | | 3-x=1.8+0.6x | | 2(5x+4)=-5(x+5) | | 4x+3-6x=-2(x-7)+2 | | 5x+4y=56.6 | | 8.6x+15.48=25.8 | | -4x-6y=17 | | 3(3x+5)=-7(x+3) | | -27=7h+3 | | 2[5-d]=2-4d | | .5x+(-6)=1 | | -2(y-3)+7=-7y+3 | | -21c-6=-3 | | 7(3x-2)=11(2x-3) | | 5(5x+2)=4(x+4) | | 6(5x+2)=7(x+2) | | 36+c=54 | | 3x-9-19=-35.8 | | (2xn)-.75=5.25 | | 3x-ax=0 | | 3(2x+3)=-5(x+5) | | 14/x=1.54 | | 9x-2-2x+9=14 | | -5n-4=50 | | 3.6m=14.4 | | e^3x=103 |