If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a=0.8=-0.8a+3.86
We move all terms to the left:
a-(0.8)=0
We add all the numbers together, and all the variables
a-0.8=0
We move all terms containing a to the left, all other terms to the right
a=0.8
| -2(c+5)=-4 | | 2+12x=-46 | | 309.19=7(0.05m+30.90+0.30(30.90)) | | 45+n=100 | | 5.6b=120 | | x+(x-13)=91 | | x9=73 | | 3/10f+24=4−15f | | 36=4x+64 | | -2(v+5)+-8=-2 | | 3b+14=-5 | | t/3− 2=2 | | 13=11x-4x | | 2+1+5x+5+90=180 | | 14+7x=112 | | x+31/8=108/6 | | 2÷w=7 | | 2p=6.04 | | q/4+ 9=11 | | F(t)=-16t^2+32t+384 | | w÷2=7 | | 1=k/4− 2 | | 11v=-5 | | F(-3)=-2x+9 | | 11=u/3+ 9 | | 3r=7.8 | | 7=4n−5 | | 6^(-9y)=12 | | y/6+2=-13 | | z+1.7=6.17 | | 7x+2x=14-6 | | t-3=-17 |