If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y in (-oo:+oo)
(7*(y-7))/5 = 4*y // - 4*y
(7*(y-7))/5-(4*y) = 0
(7*(y-7))/5-4*y = 0
(7*(y-7))/5+(-4*5*y)/5 = 0
7*(y-7)-4*5*y = 0
-13*y-49 = 0
(-13*y-49)/5 = 0
(-13*y-49)/5 = 0 // * 5
-13*y-49 = 0
-13*y-49 = 0 // + 49
-13*y = 49 // : -13
y = 49/(-13)
y = -49/13
y = -49/13
| x-29=-56 | | 2x^2+4x+-4=0 | | X/3-14-15x/24+5x-2/6=8/4 | | 45x+30(500-x)=17500 | | 35x+17y=70 | | 2(4r+5)+15=2(r+5)+3r | | 3r+8=7r | | 4x^3-4x^2-3+3x=0 | | -3x+4y=3 | | 7-10x=155-38x | | n/5+3=-1 | | 0.50x+0.70(70)=0.25(114) | | 3c+2d=-14 | | 5+9r=50 | | 7e^5x+8=.23 | | 2log^7(1-2x)=12 | | 17j+-30=-404 | | 2x-1=7x-2 | | c-5=-16 | | 15x-25y/9x-15y | | 0=r^2+14.2r-760.5 | | 0=r^2+5r-113.1 | | 0=r^2+6r-50.25 | | x+8=-2x-7 | | 1-2(x-4)+7=-4 | | 0=r^2+10r-301.6 | | 12u-241=227 | | x^2+16x-16=0 | | r=a^2b^2 | | 3/4e^3x-8=6 | | r=a^2+2(ab)+b^2 | | 1+(1/2)*3+(6/b*a) |