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)
4*b+3/2-90+45+90 = 540 // - 540
4*b+3/2-540-90+45+90 = 0
4*b-987/2 = 0 // + 987/2
4*b = 987/2 // : 4
b = 987/2/4
b = 987/8
b = 987/8
| -(4-4x)-7x=-5(x+6) | | -2x^2+9x-7=0 | | 3/2+(b+45)+(2b-90)+90+b=540 | | 10a+2=15 | | 9+3=12 | | 12+2(-3x-7)=5x-4 | | 3c+8=4(c-2)+7 | | -2x-6=11 | | -8x-4=14 | | -9+9=5/3(-5+5) | | -2(2x-3)-5=9(x-2) | | y+9=5/3(-5+5) | | 2(x-3)=6-3(x-2) | | 51a-56=44a+-51a | | 3x-37=2x+17 | | c^2-2c-24=0 | | n^2-10n=-2 | | 20-8Q=Q^2 | | 2*111= | | 12/5x^6-8/5x^3 | | 8Q^2=20 | | x-6x=-2 | | (25-13)/4x2 | | (2+4)*5+10-18+7+5*(3+1*2)= | | 3(k-2)=8 | | 10w^2-29w-3=0 | | 3/(2x-1)+4=6x/(2x-1) | | X+.03=7.25 | | 3/2x-1+4=6x/2x-1 | | 4.5=1.5c | | 35x^2-32x+5= | | 3x^3-2x/x-3 |