If it's not what You are looking for type in the equation solver your own equation and let us solve it.
J in (-oo:+oo)
J/2 = 6 // - 6
J/2-6 = 0
1/2*J-6 = 0 // + 6
1/2*J = 6 // : 1/2
J = 6/1/2
J = 12
J = 12
| 4(-5)=40 | | 18d+22d+13d=300 | | z+7=23 | | 2c+6y=16 | | 0.75=0.5(x-7) | | 7(3z+1)-1=20(z-2)+47 | | 17=2j+1 | | 9+367= | | xx+x-20=0 | | u+5x=35 | | a^2x^2+b^2-B^2x^2-a^2=0 | | r-2+1=5(r+5)-2(r+1) | | c+3c-4c+1= | | 3x-4x+3=5x-9 | | 9k-5-4= | | 4-3(3y-4)=-8 | | (5x-5)(3x+6)= | | 3x-5=m | | 4/5x+18=-2(3+2x) | | 5a+y=15 | | 2p+3q+1=0 | | 6+2x=48 | | 8x^3=2x^2 | | 6(5x+18)=438 | | 5(2r+3)=10(r+7)-5 | | 10s+16=180 | | (6)ln(x)=30 | | 0.5x-.5=.75x+1-x | | 6-9x+6-9x+6-9x=180 | | 4(2x+5)=-2x-8 | | (5n-3)(4-3n)=0 | | 3(3x+1)=8(x+1)-7 |