r=2(3.14r^2)+2*3.14r*16.1

Simple and best practice solution for r=2(3.14r^2)+2*3.14r*16.1 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 r=2(3.14r^2)+2*3.14r*16.1 equation: 


Simplifying
r = 2(3.14r2) + 2 * 3.14r * 16.1

Remove parenthesis around (3.14r2)
r = 2 * 3.14r2 + 2 * 3.14r * 16.1

Multiply 2 * 3.14
r = 6.28r2 + 2 * 3.14r * 16.1

Reorder the terms for easier multiplication:
r = 6.28r2 + 2 * 3.14 * 16.1r

Multiply 2 * 3.14
r = 6.28r2 + 6.28 * 16.1r

Multiply 6.28 * 16.1
r = 6.28r2 + 101.108r

Reorder the terms:
r = 101.108r + 6.28r2

Solving
r = 101.108r + 6.28r2

Solving for variable 'r'.

Combine like terms: r + -101.108r = -100.108r
-100.108r + -6.28r2 = 101.108r + 6.28r2 + -101.108r + -6.28r2

Reorder the terms:
-100.108r + -6.28r2 = 101.108r + -101.108r + 6.28r2 + -6.28r2

Combine like terms: 101.108r + -101.108r = 0.000
-100.108r + -6.28r2 = 0.000 + 6.28r2 + -6.28r2
-100.108r + -6.28r2 = 6.28r2 + -6.28r2

Combine like terms: 6.28r2 + -6.28r2 = 0.00
-100.108r + -6.28r2 = 0.00

The solution to this equation could not be determined.

See similar equations:

| 9.7x=-11.64 | | -100.08r-6.28r^2=0 | | 4X+16=21+9X | | 3/8+(-4/5)+(-3/8)-5/4 | | 6(y-1)=2y-34 | | 5x-6=10x-3 | | Q=150-4p | | -6/5/-18/17 | | 5w-7w=6 | | 32-14=178 | | 23x-32=1256 | | 3x^2+14=2 | | 8-3x=50 | | 11/110 | | -3d+7=5-4d | | ((2x^2-6x-1)-(8x^2-2x-2)+(9x^2-6x+5))=0 | | 8x^3/3p^2x9p^8/64x | | y=-2x^2+10x | | (x+1)(2x-3)+x(x+1)=0 | | 5x+10=2x-4 | | (x+1)(2x-3)+(x+1)=0 | | 12-4x=-20 | | x*50=(1-x)*20 | | 13v+3=10v^2 | | 3x-12=45 | | (10y^8w^5)*(5yw^9)=0 | | 12x^2-6x-168=0 | | 12(v+2)-3v=3(3v+2)-8 | | 5(-17-6)=-115 | | 3x/7 | | 6x^2-x=98 | | 4(x+1)=2(2x+9)-14 |

Equations solver categories