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)
x/2-x = 1.25 // - 1.25
x/2-x-1.25 = 0
-1/2*x-1.25 = 0 // + 1.25
-1/2*x = 1.25 // : -1/2
x = 1.25/(-1/2)
x = -2.5
x = -2.5
| 3/4x-2=30 | | 6x-9-2x=x+4x | | x-10=2x-14 | | 36=4x+3x+1 | | x^2/7=w-y | | x^2-6y=15 | | a+14=-5 | | 6(1.33)-7y=8 | | -11n=55 | | 7x+5x+3+8=6x+4+5x | | 2x*6=9 | | 36x+9y=18 | | (4x+5)(4x-4)= | | -9(4b+3)+37b-2=0 | | 5-2(7x-3)=0 | | 2e^4x+1=10 | | 21X+X^2= | | (y-6)(4-y)=0 | | 7=(10-g)/2 | | 4x+9+2x=51 | | 1.5n=5 | | 5(x+2)=80 | | z+y+3x-10=180 | | 4(3x+2)=-16-2 | | w^2-18w+81=0 | | 7(t-6)+8t=5(3t+4)-12 | | 2x+5=3(8+x) | | 3(x-1.3)=5.1 | | 10+20=-5(8x-6) | | 5(x+5)+5=30 | | 3x^3+14x^2+15x+4=0 | | 2x+8y=17 |