If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4(3z+9)=0
We multiply parentheses
12z+36=0
We move all terms containing z to the left, all other terms to the right
12z=-36
z=-36/12
z=-3
| w-2.3=6.6 | | 8j+15=9j-6 | | 70+6y-27=17y-11-2y | | 5n+3(8-n)=66 | | 10+2x=7x+10 | | 40y=8y | | 2.7m+0.7=3-2.3m | | x5=100 | | x^2/20+13=40 | | 2x-1+x-3=7 | | 9-7x=4x+41 | | 7.2f+3.4=9.6f+1.6 | | P-2q+10=0 | | Y-7-0.3y=9.8 | | 7(4x+5)=-49 | | -1/5=1/2v+1/3 | | x+1+2x+3=4 | | 3(m+9)=14 | | -4p-5=19 | | 12/30w=25/30 | | (x)=13x=52 | | a/6=3=10 | | 6x*35+115=-60+11x*35 | | 4+16x=-2+17x | | 2x+3+x+1=4 | | 6x(35)+115=-60+11x(35) | | X2-2x-3=1 | | 6x^2-2=-52 | | 8x1-2=2(4x-2) | | 10x-24=12 | | 2x+8+x-1=7 | | 6x+8/2=5x-20 |