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/12 = 13/17 // - 13/17
x/12-(13/17) = 0
x/12-13/17 = 0
1/12*x-13/17 = 0 // + 13/17
1/12*x = 13/17 // : 1/12
x = 13/17/1/12
x = 156/17
x = 156/17
| 8(5-5x)=120 | | 17x-22-20x-8=-3x-30 | | -7a-2a=0 | | -35+7n=-6(n+8) | | -3x-2(3x+7)=-26-5x | | 10(x+10)=110 | | 10x+1=110 | | 8-8x=88 | | 10(X+1)-2x=2(4x+2)-9 | | 120-(12x+36)=180 | | 900+900-5x=750+300+7x | | 3*x+50= | | -7+11x=10x | | x+3=-6x-11 | | 4*x-20= | | 49bsquared=225 | | -15+3n=7-8n | | 10x-30=15x-40 | | -6-3n=2-2n | | 2*x-7= | | x-2=14+x-8+x | | 15X+10=12X+8 | | (4x+7)-(12-9x)=86 | | 5+9x=23x | | y+4x=9+3 | | N/53 | | 4(-7-10)=240 | | 2(b+1)-7b=4b+2 | | (2X-1)+(X-3)=X^2-14 | | Y=1.27+0.062x | | 3(x-6)+9=3x-9 | | [20+(5*2)-15]= |