If it's not what You are looking for type in the equation solver your own equation and let us solve it.
15+4z=55
We move all terms to the left:
15+4z-(55)=0
We add all the numbers together, and all the variables
4z-40=0
We move all terms containing z to the left, all other terms to the right
4z=40
z=40/4
z=10
| 2s+3s+52=180 | | x/10-3.1=5.4 | | h=-0.15t2+5t | | 10x+3=76 | | 11x=7*31 | | 3/2x+x=1/4+1/2x | | (5x-20)(6x-3)=0 | | x=30=90-5x | | 12x+2=30+8x | | x-16=16-x | | 12x+5=6x-43 | | 2x-3=57-3x | | y-2.4=1.23 | | 8x+10=160-2x | | x-6=40-x | | 480=10x+100 | | x^2-175x-750=0 | | x^2+175x-750=0 | | 10x+20=400 | | x^2-175x+3750=0 | | 11/12k=33k= | | 4x+1+3x-1+3x=70 | | 45=7x+ | | x*3+10*4-4=180 | | d-7/2=2 | | 21+6x=22-7x | | 95-4x=28 | | (2x+5)=(9x+10) | | 12+t=27 | | 880/n=220 | | 114+5x+3x+10=180 | | 6x-8=2(-4+3x) |