If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5z=+9=-21
We move all terms to the left:
5z-(+9)=0
We add all the numbers together, and all the variables
5z-9=0
We move all terms containing z to the left, all other terms to the right
5z=9
z=9/5
z=1+4/5
| 3x3+2x+4=0 | | 7(3a-2)=40 | | 1e+2=1e | | (8-2x)*(4-2x)=4(x+5)*(x-5)+36 | | 6x+13=-64+5x | | (x-4)(x-3)=x2-7x+12 | | 4(g-1)=48 | | 16g-15g+g+3g=20 | | 3x+37=10-26 | | 9m-4m=10 | | 4k+4k+4k-3k=9 | | 2z+5=4z-9 | | 11x-18=8x+11 | | 12p-12p+2p=4 | | -3+x=21/2 | | x^2=31-x^2 | | 13b-11b-2b+3b=18 | | 16q-15q+2q+3q-4q=18 | | 10y-6=3y+8 | | (x-4)(x-3)2=x-7x+12 | | 16q−15q+2q+3q−4q=18 | | 2x=15−x | | 7s−3s=12 | | 67=-3y=16 | | 10h+10h=20 | | 5g-3g=16 | | 3p+3p=12 | | 5(x-3)-2(x+1)=3 | | 5x+2/3+1=10 | | 3×2^x=60 | | x2=31−x2 | | -4x/3=-20 |