4/5r+21=105

Simple and best practice solution for 4/5r+21=105 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 4/5r+21=105 equation: 



4/5r+21=105

We move all terms to the left:

4/5r+21-(105)=0



Domain of the equation: 5r!=0

r!=0/5

r!=0

r∈R



We add all the numbers together, and all the variables

4/5r-84=0

We multiply all the terms by the denominator


-84*5r+4=0

Wy multiply elements

-420r+4=0

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

-420r=-4

r=-4/-420

r=1/105

See similar equations:

| 2m-9=-14 | | 11s+6=50 | | t2-3t+2=0 | | 8x=(x-1)+1 | | (e+2)×4=20 | | 9w=–5+8w | | -2+5x=-2. | | 8(c-96)=8 | | 3.5(3+x)=30 | | x=5/3=9 | | 6^x=605 | | 3t2+4t=0 | | 1/4(x+1)=3(-x)+1/2x | | 27=-3m+9 | | -4(-3+8a)=6a+12 | | 3m+5=3+5 | | 4(f-6)=-24 | | 2x+8=5x+26 | | -4x-(x-7)=23-3x | | 5(x-6)-2=3x-4 | | 3x=(44+20) | | 3x+2+5x-12=180 | | (5a+3)+(2a+4)=) | | 15+5x=36 | | 2x^2+6+7=0 | | 3x=0.5(27+33) | | -7(k+5)=3k | | 15x+7(3x)=208 | | b+4/2=-15 | | 6-5i)(3+2i)=0 | | 3x-47=11 | | 2(x+1)+3=3x-5 |

Equations solver categories