If it's not what You are looking for type in the equation solver your own equation and let us solve it.
b in (-oo:+oo)
(3*b)/7+2*b-(5/2) = 4 // - 4
(3*b)/7+2*b-(5/2)-4 = 0
(3*b)/7+2*b-5/2-4 = 0
17/7*b-13/2 = 0 // + 13/2
17/7*b = 13/2 // : 17/7
b = 13/2/17/7
b = 91/34
b = 91/34
| 0.25x+y=225fory | | 0=8x-x^2-7 | | 3+7x+7y+8x+9= | | 1c+5*8=1000 | | 27y^2+21y+2= | | 42a^2+17at-15t^2=0 | | 9+x+1+2x= | | 3/4x+4=12 | | 9(9+x)=8(8+x) | | 8=c*2(4-8) | | 3/5x=-21 | | 4x+7+x= | | 9x^3+45x^2-16x-80= | | 20/80x100 | | 4=u/6.4 | | x+3x+6= | | 9x+3+7x+4= | | 2-3(4-x)=8 | | 5a/12=5 | | 3x+4=-5x-12 | | 3a^3+12ab^2= | | M+6.74+.7=3.8 | | (5+w)(2w+9)=0 | | 2-(8+x)=x+2 | | 30q^2+17qd-35d^2=0 | | (-2/3)^4 | | 2x-2-(-3x)=7x-8+2x-6 | | 9+6x+2x= | | 2x^3-3x^2-12x+18=0 | | 2x-3y=-11 | | 6.4x-16.3+2.6x=6.2+10x | | 0=-16t^2+43t-22 |