7.84=2*3.14*r

Simple and best practice solution for 7.84=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 7.84=2*3.14*r equation:


Simplifying
7.84 = 2 * 3.14r

Multiply 2 * 3.14
7.84 = 6.28r

Solving
7.84 = 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.
7.84 + -6.28r = 6.28r + -6.28r

Combine like terms: 6.28r + -6.28r = 0.00
7.84 + -6.28r = 0.00

Add '-7.84' to each side of the equation.
7.84 + -7.84 + -6.28r = 0.00 + -7.84

Combine like terms: 7.84 + -7.84 = 0.00
0.00 + -6.28r = 0.00 + -7.84
-6.28r = 0.00 + -7.84

Combine like terms: 0.00 + -7.84 = -7.84
-6.28r = -7.84

Divide each side by '-6.28'.
r = 1.248407643

Simplifying
r = 1.248407643

See similar equations:

| 15x^2-22x= | | X-8.3(3.14)=3.14 | | 2000-2-5=x+y | | 4y+1=-8 | | 5x-10y=11 | | -7(0)+4y=6 | | 10x^3-25x^2+14x-35=0 | | (-7p^5+5q)+5p^5= | | 6(0.5)+4y=9 | | 2a/3/b=c | | 5a+9a=3a+29 | | -5x+8=49 | | 7x-7=12x+10 | | (-8a^3+5b)+5a^3= | | 2000=2x+5y | | 6(0.5)+4(3-3*0.5)=9 | | 5(y+20)-10y=5 | | y+15=-1 | | 7x-8-2x=64x-3x | | A=1/2*24*24 | | 5.4+1.5x=2.5x | | K=4q+4w | | 8a^4/6a^5 | | (3g^5+6h)+(-5g^5)= | | 9t^8(t-t^2+5t^3)= | | 0.3=15 | | 2x-40=4x-100 | | 3/2-x=5/2 | | 5/12y=-15 | | 4z+2-5z=15 | | 3x+5x-1x=56 | | 7x(5-3)4x=6 |

Equations solver categories