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)
-((-4*a)/(-6))-3*j = 12 // - 12
-((-4*a)/(-6))-3*j-12 = 0
(-2/3)*a-3*j-12 = 0
-2/3*a-3*j-12 = 0
x należy do R
x in (-oo:+oo)
| 9t-12=-14+8t | | 6x+3x+45=180 | | 4x-13=-1+2x | | 1-3x=-19 | | 6x+25=29 | | -3-8=-x-4 | | 0=4X^3+3x^2-18 | | 70x/71*41/14 | | 26=5+16(N-1) | | 11x+3-4x=3x-14 | | 6Yx-2x=2 | | 80/a=2 | | 0=-16t^2+74t+30 | | 14000/5460-40000/15600= | | 3/4(1/10 | | 18900/6720-45000/16000= | | (6+u)(5u-7)=0 | | 18900/6720-45000/16000 | | 9a=3a-12 | | 5x-5=55/11 | | (1/9)x^2=25 | | 2x+5x=-2x | | 5/7×(-14) | | 6(3x+1)=4(5-2y) | | 4t^2-45t-99=0 | | -1/1*x-3 | | 9(2x-7)=19 | | -35=-6+1 | | 8a=7a*2 | | 4x+x=86 | | X=40+4X | | 2x+5y=8-2x |