If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-7.5+4z=-11.5
We move all terms to the left:
-7.5+4z-(-11.5)=0
We add all the numbers together, and all the variables
4z+4=0
We move all terms containing z to the left, all other terms to the right
4z=-4
z=-4/4
z=-1
| 5y-2=-10-y | | 9n+14=4+7n | | X+18/100x+18/100x=8006 | | -2-2j=5-3j | | 5/2k=-5/3 | | 18-3x+15=24 | | 35=y-3 | | 35=y=3 | | 2x+3(5x-3)=47 | | -9=p/4 | | 2(3c-1)-3=2c+3 | | 10r-6=8r+2 | | 2x+12+11x-4=125 | | -6/7x=-43.5 | | 155=5(6j+1) | | 8y-(24-3)=9 | | 7x+9x-88=66-6x | | 6x-2(3x-5)=-5 | | 3x-12=(1/2)x-8 | | -7c-10=-8c | | -1=11+m | | 6-2v=4-2(2v+4) | | 7w+32=15w | | 3×x-5=55 | | -3c=20-2c | | 3x-12=1/2(x)-8 | | 21-13=2(x-1) | | 3x-12=x/2-8 | | 1/2-6/7w=-1/3 | | 4(2-5)=3x+10 | | 5b-2=-27 | | 1b-8=-8b+10 |