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)
(2/7)*x = -3 // + 3
(2/7)*x+3 = 0
2/7*x+3 = 0 // - 3
2/7*x = -3 // : 2/7
x = -3/2/7
x = -21/2
x = -21/2
| P^-9/q^-9 | | 5x/8+10 | | x-4/x+6-x+3/x-6 | | 15=9 | | 5(x-11)-6x=-11x | | 3.75=r^10 | | x=1-3y/5-2y | | 27=3(x+1) | | 3x+6=6x-98 | | -5/6-6-9 | | -6(x-21)+7(x+6)=42(x-5) | | 2(5x+9)-27= | | 1/2(10x-7)=8 | | 4.5x=22.5 | | 14x^2=(-21x) | | -3Y=-11-4X | | 6x+11=3-2x | | A=P+Prt(t) | | 10(x+3)=-160 | | X^2-3x+9=3x+1 | | x/-4=24 | | x-21/-7+x+6/6=x-5 | | 16x+2+6x+2=180 | | 25=3x-7 | | v=lwh(forl) | | 7(x-8)+16=4(x-7) | | 45x^3+50x^5= | | 3(7w-5)-w=-7+4(5w-2) | | 4x+6+3=18 | | 3(x+8)=11 | | 6(x+8)=-3(3-43) | | y=(x-2)(x^2-4x-8) |