If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
3.14 = 69.08r2
Solving
3.14 = 69.08r2
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '-69.08r2' to each side of the equation.
3.14 + -69.08r2 = 69.08r2 + -69.08r2
Combine like terms: 69.08r2 + -69.08r2 = 0.00
3.14 + -69.08r2 = 0.00
Add '-3.14' to each side of the equation.
3.14 + -3.14 + -69.08r2 = 0.00 + -3.14
Combine like terms: 3.14 + -3.14 = 0.00
0.00 + -69.08r2 = 0.00 + -3.14
-69.08r2 = 0.00 + -3.14
Combine like terms: 0.00 + -3.14 = -3.14
-69.08r2 = -3.14
Divide each side by '-69.08'.
r2 = 0.04545454545
Simplifying
r2 = 0.04545454545
Take the square root of each side:
r = {-0.213200716, 0.213200716}
| 4x+166=7x+168 | | 20x+60y=66000 | | 3.14=13*d | | 9x+7-5x=60-4x | | (3x-5)(2x+9)=0 | | Ln(1-x)=1.2 | | (4u+7)(7u-4v-2)=0 | | 9n^2=12n-4 | | 4x+37=8x+47 | | 13+g=24 | | 15r^2+32r-7= | | 13+6=24 | | 7x+15=4x+57 | | 7w+43w=15 | | 2x+112=4x-22 | | 2v-2=16 | | 7xsquared+4x-5=0 | | 8x+70=3x+30 | | (3X+4)(X+2)= | | 5(x-8)(3x-10)=0 | | ((2x^4y^-3)^-2(2x^-1y^-2)^4)^3/2x^-7y^-3 | | x-9=2x-19 | | 3x+20=6x-13 | | 4/5+1/6= | | 0.23y-1.5=0.13y+3-0.8 | | lny=(lnx)/2 | | 4t-21+t^2= | | 6y-7=-19+3y | | 7x+8=5x+30 | | 5p^2-2=-4p | | 8y-4x=40 | | r^3+54r=15r^2 |