If it's not what You are looking for type in the equation solver your own equation and let us solve it.
800-4m=1000
We move all terms to the left:
800-4m-(1000)=0
We add all the numbers together, and all the variables
-4m-200=0
We move all terms containing m to the left, all other terms to the right
-4m=200
m=200/-4
m=-50
| X=1600×0.5x | | -16+14r=20r+2 | | 10+½x=14 | | 5x+20*5=5000 | | -9+30=2(x-1)+32 | | 5x*20=10 | | .25x=x-180 | | 3(x+6)=4+7 | | -16+37=49-21p | | -9-n/4=15 | | 9t+17=10t | | 7(c+8)=7c+63 | | 2x-10=4x+20/2 | | 4x-100=3,000 | | -9x+30=2x-2+32 | | 7x+8+3x+13=8x+37 | | -7f-1.2=0.9 | | 2(y-2)+18=-2(y-1)+6y | | 5/14=10/c | | –19c−–15c−–14=–18 | | 0.19x=20 | | 125+x=725 | | 5(3x+4)+5=60 | | 8x+9=25x-18 | | 3/2-5+9/4p=7-5/4p | | 5)|-3x|+1=-32 | | 2+5t=42 | | 3x-5+2=90 | | 5-(-v-5)×3(v-8)=0 | | 4(y-2)+18=-2# | | 15q-6.28=15.4q | | |5x+1|=15 |