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)
12-((2/5)*x) = 2 // - 2
12-((2/5)*x)-2 = 0
(-2/5)*x-2+12 = 0
10-2/5*x = 0 // - 10
-2/5*x = -10 // : -2/5
x = -10/(-2/5)
x = 25
x = 25
| 7y-11=-2y+52 | | -10/-(1/3) | | 40+6x=5(-8x+8) | | xln(x)+5ln(x)-6x=30 | | -3(3x-6)+3=-9x+21 | | X=2-(-10) | | 180=7x+2+38 | | 5/4x-4=-28/3 | | 3x+5y-x-9y= | | .5x+.15(70)=32.5 | | j^4-7j^2+12=0 | | 11k-[3k+(-2+7k)]= | | 7x+6=10x-3 | | 13x+.7(-3x-1)=-63 | | =3(1+4m)-5m | | 3(4q-3)=2(3q+6) | | 2×4/7 | | 9(7r+9)= | | x+52+67+x=180 | | -8u=16/9 | | 6(8+3x)= | | (x^2+1000x)=0.036 | | 9x=7x+17 | | 3r+5t=110 | | -1-4(2n+2)=39-2n | | -15=-5/3w | | x^2-5/3-20 | | 3(2x-1)y= | | 6x+10=41 | | y=405+0.5x(y-10) | | 8x+3x+2= | | 2(5-4)+2= |