If it's not what You are looking for type in the equation solver your own equation and let us solve it.
16.8-x=2.1
We move all terms to the left:
16.8-x-(2.1)=0
We add all the numbers together, and all the variables
-1x+14.7=0
We move all terms containing x to the left, all other terms to the right
-x=-14.7
x=-14.7/-1
x=14+0.7/1
| m÷6=5 | | 2(n+1)+8=26 | | 0.04x+0.03(1900-x)=70 | | 5x=3.5(x+.5) | | 5x=3.5(x+1/2) | | X^2+2y=14 | | x+150+115=180 | | 3y-273=360 | | -18=9-3r | | 63+50+75+110+c=360 | | v+4=12.6 | | 417f=2098 | | d-48.2=10 | | g/12=3 | | 117+y+23=180 | | -2g=48 | | a2+13a-25=0 | | r-17.2=12 | | a+4=-6–a | | Y=2p+3p2 | | 11x^2-29x-21=0 | | 68/12=51/d | | 7+x=75 | | 15(6c-7)=4c-5 | | -5t^2-20t+80=0 | | 6a-2=2a–22 | | 3x-15/2=2 | | 4*x+3=6*x+16 | | 3x^2+2x+4=5 | | x*0.4=199 | | 1x^2+2x= | | -16-m=16 |