28r^2=4r

Simple and best practice solution for 28r^2=4r 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 28r^2=4r equation:


Simplifying
28r2 = 4r

Solving
28r2 = 4r

Solving for variable 'r'.

Reorder the terms:
-4r + 28r2 = 4r + -4r

Combine like terms: 4r + -4r = 0
-4r + 28r2 = 0

Factor out the Greatest Common Factor (GCF), '4r'.
4r(-1 + 7r) = 0

Ignore the factor 4.

Subproblem 1

Set the factor 'r' equal to zero and attempt to solve: Simplifying r = 0 Solving r = 0 Move all terms containing r to the left, all other terms to the right. Simplifying r = 0

Subproblem 2

Set the factor '(-1 + 7r)' equal to zero and attempt to solve: Simplifying -1 + 7r = 0 Solving -1 + 7r = 0 Move all terms containing r to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + 7r = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 7r = 0 + 1 7r = 0 + 1 Combine like terms: 0 + 1 = 1 7r = 1 Divide each side by '7'. r = 0.1428571429 Simplifying r = 0.1428571429

Solution

r = {0, 0.1428571429}

See similar equations:

| 1.3x-1.75=0.4 | | 2a-a^2=0 | | (x+1)(x-3-2i)(x-3+2i)=0 | | -1.1=1.21 | | 110+7x=125+4x | | -7(t-8)-(t+7)=2 | | a(6a-13)=8 | | 1/2z=14 | | Y-4/8=5/6 | | In(x+4)-In(x)=5 | | 9-5p=6-8p | | 40x+8(2x)=33000 | | 0.5x+0.4y=1.2 | | log(x/10^-2)=6.7 | | 9-5p=6-89 | | 6(8-7x)=-414 | | .6(8-7x)=-414 | | 20=7+9(x) | | 6t^2+-48t+72=0 | | 1.25(x+72)=273.76 | | 20=v+9+(-16) | | .80(x-100.00)=150 | | (x-6)(x+2)=24 | | (x-6)(x+2)=4 | | 2q+4q-3=22q+1 | | 1+5x=-7x+49 | | 56-(((12x224)/8)/8) | | x-.40x=90 | | 0=36-12y-3x | | .13(x+50.00)=30 | | .13(x+50.00)=24.97 | | 3(x^2)-3(y^2)-3x-3y+4=0 |

Equations solver categories