If it's not what You are looking for type in the equation solver your own equation and let us solve it.
c in (-oo:+oo)
3*5-(c/7) = 8 // - 8
3*5-(c/7)-8 = 0
7-1/7*c = 0 // - 7
-1/7*c = -7 // : -1/7
c = -7/(-1/7)
c = 49
c = 49
| a-6=-6a+8 | | -7(7x+2)-6x=96 | | 18=3t-t+4 | | 2ln(3X-10)=8.5 | | X/2-×/4=75 | | 5(x-2)+x=70 | | -9+15f=16f | | -7*t-7=-14 | | y=(-8)-((-5/4)x) | | 3secx+5=-2 | | y=-8-5/4x | | 6-1/3x=-5 | | z+7=3z+z-11 | | 6-1/5x=-5 | | S=-4t+2 | | 16=-2*v+9 | | 3x+45=10 | | 10-2c+6=c-2 | | 2*x-5=16 | | 5n^2-28n-49=0 | | 4g+3=g-24 | | 9(t+25)=11t+75 | | 2x-5y+4z=-20 | | 12r-57=3r+6 | | 4(x+5)+6=8+7(x-5) | | 2+-5v+v-18=v+14-6+v | | B(0)=18-0.5(0) | | p^4-6p^2-40=0 | | 4(u-18)+11=19 | | cos(x)=cosh(x) | | 16+4*y=-32 | | 6p/7-24=-48 |