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)
(-3/7)*x = 12/35 // - 12/35
(-3/7)*x-(12/35) = 0
(-3/7)*x-12/35 = 0
-3/7*x-12/35 = 0 // + 12/35
-3/7*x = 12/35 // : -3/7
x = 12/35/(-3/7)
x = -4/5
x = -4/5
| 3a+2b-9= | | (-7/4)r=(-63/16) | | 4x-24=6x-9 | | (x-1)(x^2+6x+9)=5x+15 | | 9x-3=10x+6 | | x^2-76*x+1360=0 | | a=4b+1 | | (0,000596-0,002x)/(0,0087-x) | | p=240c | | 0.5x=100 | | 2x-7=x-6 | | (1-x)x+(1-x)y+3-k=0 | | x+x+1+x+2=702 | | 9n=548 | | (0.06x)+(0.07y)=6.94 | | 0.015*2x^2= | | 51y^2/-17y/9 | | x+y=1-0 | | 5.5x+48y=101 | | 3x^2+3y^2-xy-1=0 | | 14-5x=5-2x | | 6s-35=115 | | 2(3)x=6 | | sin(x+180)=-sinx | | X+0.08=17600 | | sin(x+180)= | | -4q+7=3q-63 | | 51-[14x+(3x-2)]=12x-[(14x+3)-6] | | x-[(3x+5)-(2x-6)]=4-[7x-(6+3x)] | | x-[(3x+5)-(2x-6)]=4-[7x(6+3x)] | | (5/9-1/3)/1/6 | | x-[(3x+5)-(2x-6)]=4-[7-(6+3x)] |