If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-2z+9+2z=9
We move all terms to the left:
-2z+9+2z-(9)=0
We add all the numbers together, and all the variables
=0
z=0/1
z=0
| X^2+5x+8=-2x-4 | | 4/8r=8 | | 5(8-3x)=20x-10 | | 9x+4+6x+1+6x-14=180 | | 3x+6=2x+5= | | 4(8-x)=-16 | | 7/112=(c–3)/8 | | 2k+4=-2k-20 | | 1/3+a=5/4 | | 5(8-3x)=29 | | -10m-1=2m+143 | | 4(8-c)=-16 | | 41=-19+5x | | 3x–11=34+2x | | 20=x/9+10 | | 6(x-4)=-3x+66 | | 3(v-6)+1=10 | | −1/6x=3 | | −16x=3 | | 9/2=w/12 | | X^2+11x-8=8x-4 | | 6x-6=9x-4 | | 3x-32=2x+20 | | Y+6x=-19 | | 37x-20=424 | | 200+55m=60m+50 | | 11y+15=3y–73 | | (5/16)y=5/24 | | 8z+1=9z-5 | | 3(y+2)+2y=7(1-4y)+9 | | 50c=400 | | 9+3x=-3x(-3-x |