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)
(-3/(-8))*x = 12 // - 12
(-3/(-8))*x-12 = 0
3/8*x-12 = 0 // + 12
3/8*x = 12 // : 3/8
x = 12/3/8
x = 32
x = 32
| 5(x+3)-2(14x+13)=20 | | 2/3+1/4t=216/3 | | 8t-30=3t | | y=(8x-9)(20x^4)+8(4x^5) | | x+2x-3+x-3=36 | | 2y^8-2=0 | | -8(2b+1)+8b=27-3b | | 6v/9.6 | | -13d-18=-70 | | 3.1x-2=2.1x | | 83-2x=179 | | 1/4*268 | | 12y-10y-15=26.88 | | -2-6a=-5a | | 5/12=(x+1)/4 | | 5+2=46 | | 5y-2+y+38=7y+40-5y | | S=5r*t | | 8x+24=3x+59 | | 70x^2+2x+2=0 | | y=(8x-9)(20x^4)*8(4x^5) | | -95-6s=25 | | x+1.2=3 | | 3[4+2(7-x)-2x]=4x-8 | | 60-2x=7x+17 | | 22+2x=2(2x+7) | | 6-8x=5x-9x-18 | | 14(d)-43=6(d)-13-7d | | mx^2+2mx+m-x+2=0 | | 10x+25y=6.30 | | 4-16x=12+8x | | 7.6x-4=6.6x |