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*x = 7/5 // - 7/5
-3*x-(7/5) = 0
-3*x-7/5 = 0
-3*x-7/5 = 0 // + 7/5
-3*x = 7/5 // : -3
x = 7/5/(-3)
x = -7/15
x = -7/15
| -2x-6+7x=54 | | k+3=28 | | 2+4(y-3)=yx-10 | | 7x+7+x=-89 | | -7k-6k=-6-3k-7k-9 | | 6-15=z/-8 | | 75-4y=-1 | | 3x^2+80=4x^2+16x | | 12x+8-7= | | 2+4(y-3)=4x-10 | | n+6=22 | | 8-r=-2r | | 6x+8+6x=116 | | -5x-2=-3x | | 21/15-4/14= | | 90=-3(-2-4x) | | 6x^3+5x^2+2x=9x^2+4x^3 | | 7-7x+4x=-20 | | 152+10r=200+4r | | 54=4x+6x-6 | | 15x^3-25x^2+10x= | | 322=7(7v+4) | | 4k-1-3=2+3+3k-4 | | x^2-16x+64=48 | | 119=6x+7x+2 | | 5b-2=4b+7 | | 2-5b=b-4 | | 0=8n+8n | | 7-5x=1-3x | | 0=-5a-4a | | -3-7x+x=-9 | | 14+2b=-b-7 |