If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-z-9=-10
We move all terms to the left:
-z-9-(-10)=0
We add all the numbers together, and all the variables
-1z+1=0
We move all terms containing z to the left, all other terms to the right
-z=-1
z=-1/-1
z=1
| K=-k-10 | | Y=(3)5^x | | 2=+b/4 | | 1/5x-36=1/2x-13 | | x/3+1/2=3/2 | | 6x-36=5x-8 | | 4X+11+24=6x | | 8(z-80)=96 | | -19=45m+17 | | 2t-9=-1 | | x/3-4/3=7 | | (k/9)-2=3 | | 21-3+6y=36 | | (k/9)-2=-3 | | 51+(6x-20)=4x-9 | | 10-2f=-2 | | 130°=26x | | 7(2x-3=7 | | 3.75x+10=2.25x+15 | | 75.36^x=150.4 | | 17-5p=27 | | Y-12=3(x-2) | | x=58+x-138x | | x/4+3/4=3 | | 0.6(x-0.6)=0.3(x-1.8) | | 17-(-5p)=27 | | 25v-15=85 | | Y=$2.75x-$15 | | -8w-13=27 | | x/8.2=3/2 | | 3/4n+2=1/4n=1 | | 22r-28-15r=21 |