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)
7-(x/(-2)) = 0
1/2*x+7 = 0 // - 7
1/2*x = -7 // : 1/2
x = -7/1/2
x = -14
x = -14
| 21-(x/2)=x/5 | | 2(5x+1)=27 | | 5(2x-2)-3=5(x-5)+52 | | 7.5=(4.93/x)/((5-4.93)/100) | | x+y+2xy-1=0 | | 4(3x-5)-4=4(x-3)+44 | | 7.5=(x/25)/((0.21-x)/100) | | c(5a+b)= | | 6(x+3)-(x-5)=20 | | Cos(3x+30)=sin(7x-40) | | (a^-5b/ab^3)^-3 | | 1+2+3X=9 | | (a^-5b/ab^3) | | 3b-4d= | | x+9+22=64 | | 7.5=(x/25)/((0.61-x)/100) | | 4y-8=9y+2 | | y=(1/36)*7 | | 7.5=(x/25)/((0.61-x)/100)= | | (1+y)(5y+7)=0 | | 2+2+5= | | 17/3y-1/6=8/3 | | 4(6x-2)=32 | | 7.5=(x/25)/((.61-x)/100) | | x+(x+42)=66 | | k=(7/6)/42 | | 7(8-z)/6=z | | 12-5a= | | 7.5=(x/25)/((1.74-x)/100) | | abs(y-1)=x^2-2x | | 5(x-2)=6x-3(x+2) | | 4sin^2(x)-4cos(x)-5=0 |