If it's not what You are looking for type in the equation solver your own equation and let us solve it.
38+0.21m=20.21
We move all terms to the left:
38+0.21m-(20.21)=0
We add all the numbers together, and all the variables
0.21m+17.79=0
We move all terms containing m to the left, all other terms to the right
0.21m=-17.79
m=-17.79/0.21
m=-84+0.15/0.21
| 6a^2-10a-8=0 | | 15y-14=44-y | | 2(2x-1)=56 | | 2(x-2)=x-6 | | 4x-x=x-6 | | 46.03y-18.42=36.51y | | 17+2n=33 | | .2^x=9 | | 4/3(x-10)=6/5x+2 | | 2/5.5=x/20 | | 10=6,5+x | | (x+5)^3/2=1000 | | 4x=22x | | 2.4y+7.2=-7.2 | | 2e+16=8 | | 4/5x-5=5/4x+3 | | 8k+2=2k+5 | | 9x-9=29 | | 3w-5=7(w-3) | | 1.5x+7.4= | | 72=(-12)(-3x) | | 1=6a | | 39-8x=3-9x | | 1/1/2=2x | | 1.5x+7.4=-1.8×-6.9 | | 7x+.10=25 | | y/4+4=15 | | 3q+10=49 | | 10.x(2-5)=3 | | 4x+5=9x-12 | | 1500=(120-2x) | | 10x(2-5)=3 |