If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
18 = 3.14r2
Solving
18 = 3.14r2
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '-3.14r2' to each side of the equation.
18 + -3.14r2 = 3.14r2 + -3.14r2
Combine like terms: 3.14r2 + -3.14r2 = 0.00
18 + -3.14r2 = 0.00
Add '-18' to each side of the equation.
18 + -18 + -3.14r2 = 0.00 + -18
Combine like terms: 18 + -18 = 0
0 + -3.14r2 = 0.00 + -18
-3.14r2 = 0.00 + -18
Combine like terms: 0.00 + -18 = -18
-3.14r2 = -18
Divide each side by '-3.14'.
r2 = 5.732484076
Simplifying
r2 = 5.732484076
Take the square root of each side:
r = {-2.394260653, 2.394260653}
| 96-16= | | (2x-25)-3x+[8x+5(6-x)]=7 | | 0.25p+2-0.2p=0 | | 3K-8=81 | | 2(x+2)+1=17 | | m-5^1/4=9^1/4 | | 90=8x+26 | | 1x+5y+10z=500 | | 3(2x-5)=5-2(x+6) | | Z=-1+i | | 4(x-3)+2X=-24 | | 5/9(x-32)=-5 | | 3-2i/2-3i | | 6y+4x+125=845 | | 3=-7x-70 | | 2(x+1)=3x-3+2x | | y=18tan(5x+4) | | 5=12x-60 | | -3x=-135 | | 16w+8=-5 | | x-13=27+2*x | | 3(x-2)=x-15 | | -(3x-2y+6)= | | 9x-18=-10 | | 9-(8-7-6)=9-8-(x-6) | | 8-2*4= | | 1608x+180y=21000000 | | 6x+40=13x-54 | | 2x-3=3x+9-4x | | 4(2x-5)=5-2(x+6) | | (1g+7)(-8g+1)=0 | | X+(-3x)=4 |