28.9=2(3.14)r

Simple and best practice solution for 28.9=2(3.14)r 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 28.9=2(3.14)r equation: 



28.9=2(3.14)r

We move all terms to the left:

28.9-(2(3.14)r)=0



We calculate terms in parentheses: -(2(3.14)r), so:

2(3.14)r

We multiply parentheses

6.28r

Back to the equation:

-(6.28r)



We add all the numbers together, and all the variables

-(+6.28r)+28.9=0

We get rid of parentheses

-6.28r+28.9=0

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

-6.28r=-28.9

r=-28.9/-6.28

r=4+1/1.6613756613757

See similar equations:

| 9k^2−k−1=3k^2 | | 3x(x-2)+2x=34 | | 9-6n=54 | | 1.4(2x+4)=3x+5 | | 4/9y=5.27 | | -2a+6=4 | | 12x11xH=2,244 | | y=700-24(1) | | -2s+-7=-3 | | 508=5x-x | | 2u+-6=8 | | y3-3=-1 | | 2.6x-18=2.1x+8 | | 15.5*x=6.45 | | -6=2m+2 | | 5y+6-7y=10-y | | -4+-2g=-2 | | x^{2}+5x+32=0 | | 3x-3+6x-21=180 | | x^{2}+5x+32= | | -4+-2g=2 | | 3x-3+6x-21=360 | | 5+2r=1 | | d2+10=12 | | -5(2+7a)+11=18 | | 0=-3.9d^2+13.1d+8.7 | | 180-10m=30+2818.2 | | 0.6x+85.6=1.5x+54.1 | | -2q+-7=1 | | 35÷{c+2}=7 | | 2/7=4/5+x | | 180-10m=30+28 |

Equations solver categories