If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y in (-oo:+oo)
12 = (2/5)*y // - (2/5)*y
12-((2/5)*y) = 0
(-2/5)*y+12 = 0
12-2/5*y = 0 // - 12
-2/5*y = -12 // : -2/5
y = -12/(-2/5)
y = 30
y = 30
| -18+4f+18f=20f+18 | | -12+2p=-18 | | 1/2(12-9n)=4-3n | | 11=2-q | | -4(b+1)+2b=3(2n-1) | | 7+2j=3j | | 3(5s+5)-6s=3(3s+1)-5 | | 4x=5(x-3) | | 7p*(-3)=257 | | (2x-7)(4x+3)=12 | | 6(x+4)=4x+10+2x | | 24(1/4)= | | 24(6)= | | 4(2.2d-1)-0.8=23 | | -36-4m=-18 | | ax-8=4-x | | lny=7t-2 | | 32^-(2/5) | | 1/2t=t-17/2 | | .5t=t-17/2 | | 6x^2+22x=0 | | (11+a)+13= | | 2n-10=5n-20 | | -39x-42=17 | | 3x-2=46 | | 8r-6r+8=5r+8-r | | x-.15x=400 | | 9s/2=45 | | ax+by+cz+d=0 | | 9(4x^2-3)= | | 8+2n-1=8n+31-2n | | 1/x-1×7=29/x-1 |