7.83=2*3.14*r

Simple and best practice solution for 7.83=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 7.83=2*3.14*r equation: 


Simplifying
7.83 = 2 * 3.14r

Multiply 2 * 3.14
7.83 = 6.28r

Solving
7.83 = 6.28r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-6.28r' to each side of the equation.
7.83 + -6.28r = 6.28r + -6.28r

Combine like terms: 6.28r + -6.28r = 0.00
7.83 + -6.28r = 0.00

Add '-7.83' to each side of the equation.
7.83 + -7.83 + -6.28r = 0.00 + -7.83

Combine like terms: 7.83 + -7.83 = 0.00
0.00 + -6.28r = 0.00 + -7.83
-6.28r = 0.00 + -7.83

Combine like terms: 0.00 + -7.83 = -7.83
-6.28r = -7.83

Divide each side by '-6.28'.
r = 1.246815287

Simplifying
r = 1.246815287

See similar equations:

| 2(8x-13)-8(2x-4)+6= | | 3x+1/2=5x-4 | | (4)(15y)(3)=2y | | 39+(-25)+536+(-866)+79+(-881)= | | 8(t-2)+4t=6(2t+2)-9 | | 16t^2+4t=0 | | (abs(3x)*-2)-2=4 | | (p^-3)/(p^-7) | | -5(x+4)+3x=12 | | 375*11/75*7/25 | | 5x^2+16x=0 | | -3(6x-5)+2x-(11x+8)= | | 29-8x=0 | | 6(x-4)+10(2x+3)= | | 6/-2 | | 2m-3n=8 | | 10-4(6-x)+5x= | | 24-22=1 | | 8x-(4x-5)=17 | | 33/49*14/45*27/22 | | 3/2w-7/5w=-1/20 | | 4x-10=-6 | | (U+5)(u-3)= | | x-1/2x+14-x+5/9x+63 | | Ln(200)=ln(27x)+0.2x | | m+22=21 | | (2w^3-9w^5+2)10w^4= | | 2x+1=3y | | 8x^4(2-5x^2)= | | 180=12*x | | 6w^3(9w^7+4w)= | | 13=2*3.14*x |

Equations solver categories