If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-z=-7
We move all terms to the left:
-z-(-7)=0
We add all the numbers together, and all the variables
-1z+7=0
We move all terms containing z to the left, all other terms to the right
-z=-7
z=-7/-1
z=+7
| 400+20x=1200 | | 4x+x√x-18=0 | | -192=6m | | 2a-11=-7+4a | | 2/3x+5/3x-1/3x+1=11/3 | | 300=16x^2 | | 2x2=5x | | -7/6+x=7/6 | | 3m+18=96 | | 8(b-8)=-128 | | 5x+8=-2x+34 | | 2-n+4=1 | | 2x²+x+528=0 | | 1.5x-0.75=3 | | 11x+13x=6 | | -9–7y=-6y | | 32.50m+3.30m-5.90m=220.70 | | 7y-41=8(y+7) | | 5x+8=-2x+-34 | | X2+3x=54 | | 4m÷14=18 | | -3(x-8)=7x-46 | | 3x-5•-1=9 | | 4+6s=8+2s | | 4x(x-3)=24 | | 10+8x=x-11 | | 10m+9=60+7m | | 2+6g=11−3g2 | | -2u+4=-5(u-2) | | 4(n-5)-(7-6n)=9n | | 0,24x-0,72=0 | | 7x+1=2x+21 |