r-0.8=4.2

Simple and best practice solution for r-0.8=4.2 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for r-0.8=4.2 equation: 



r-0.8=4.2

We move all terms to the left:

r-0.8-(4.2)=0

We add all the numbers together, and all the variables

r-5=0

We move all terms containing r to the left, all other terms to the right

r=5

See similar equations:

| 6(6+-3y)=6y=4 | | 3/10+x=9/10 | | 30=17/8z | | g-1/3=9 | | X^2+3x=-5x^2-4x | | 4x​ −6x​ =32​ | | y+1.6=6.9 | | w-0.1=0.9 | | 217=8000-x*0.05 | | D+n=70 | | 5-4x/9=9-4x/5 | | 180=102+44+4x+2 | | 1x=3x+12 | | –5z−–8z=–9 | | 8x+26=-+14+6x | | 10x2=6x | | 27°=15/x | | -u+262=183 | | g-5=2/7 | | 14-3z+8+z=0 | | 217=163-x | | 129=184-u | | 5(15)-10=y+15 | | H(x)=-8+10;-6 | | 8(15)-5=y+16 | | y-23/4=61/2 | | 15-2x=3x+42 | | y+55=55 | | -5(n-5)=-4n-6 | | 6x+9+4x+10+4x+3=180 | | y-13.7=22.8 | | 6x+9+4x10+4x+3=180 |

Equations solver categories