If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-201-z=420
We move all terms to the left:
-201-z-(420)=0
We add all the numbers together, and all the variables
-1z-621=0
We move all terms containing z to the left, all other terms to the right
-z=621
z=621/-1
z=-621
| 4c-10-8=0 | | (3t–5)=(6t+3) | | 6×b-3=12 | | 5x^2-32x+240=0 | | |x+1|^2=-3/2 | | 3+4a=30–3a–4a | | 2(3a+1)-5a=6-3 | | .33(x)+66(2x)=1 | | 2(3a+1)-5a=9-2 | | 2x=13/6-5/6 | | 0.5(2-3x)=4.5-0.1(x+7) | | 1/4x+2=-1 | | 0.5(2–3x)=4.5–0.1(x+7) | | X*2+7=3x | | (2x+5)-(3x-23)=90 | | 7/13-1/4=2y-5/3 | | 10=10p | | 2x-15=10x+20 | | (-2+-3r)(6+-1r)=0 | | 2x(4x+25)=0 | | 1000x+x=25 | | -8x-35=-4x+45 | | b2=16 | | b2=1210 | | 3x^2+7x=133 | | 2,5x=134 | | 7x-x+4=-30 | | 2x-3x=320 | | x-30=4x-60 | | 32x²+13x-90=0 | | 5a+30=-6a+20 | | 4y-6y=60 |