0.4(2-2r)=0.1(3-r)

Simple and best practice solution for 0.4(2-2r)=0.1(3-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 0.4(2-2r)=0.1(3-r) equation: 


Simplifying
0.4(2 + -2r) = 0.1(3 + -1r)
(2 * 0.4 + -2r * 0.4) = 0.1(3 + -1r)
(0.8 + -0.8r) = 0.1(3 + -1r)
0.8 + -0.8r = (3 * 0.1 + -1r * 0.1)
0.8 + -0.8r = (0.3 + -0.1r)

Solving
0.8 + -0.8r = 0.3 + -0.1r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '0.1r' to each side of the equation.
0.8 + -0.8r + 0.1r = 0.3 + -0.1r + 0.1r

Combine like terms: -0.8r + 0.1r = -0.7r
0.8 + -0.7r = 0.3 + -0.1r + 0.1r

Combine like terms: -0.1r + 0.1r = 0.0
0.8 + -0.7r = 0.3 + 0.0
0.8 + -0.7r = 0.3

Add '-0.8' to each side of the equation.
0.8 + -0.8 + -0.7r = 0.3 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + -0.7r = 0.3 + -0.8
-0.7r = 0.3 + -0.8

Combine like terms: 0.3 + -0.8 = -0.5
-0.7r = -0.5

Divide each side by '-0.7'.
r = 0.7142857143

Simplifying
r = 0.7142857143

See similar equations:

| (15x^2)-12x=0 | | 3a-7a=5 | | 9x+100=13x+100 | | 4+4SinX+3CosX=0 | | (5*(2//3)) | | x+(x-6000)=30000 | | 3x-51=24 | | X+2+x+x+1=20 | | 3CosX+4SinX+4=0 | | 100x+9=100x+13 | | 125=2x-180 | | 6x+2y=exp(8xy) | | y^2-8x^2=1 | | -9+u=-7 | | x=-y^2-5y-4 | | 4x+y-13=0 | | w^2-11w-12=0 | | w^2-11w=0 | | X+2y=89 | | 23+4(y)-2+18=59 | | 2x-1+2x+1+2x+3=77 | | 2x+4=10+2.5 | | 23+4xy-2+28=59 | | ln(1+x)-x^2=0 | | 2x-13-/12 | | 5x*(5y+5z)= | | 3x-21=3y | | 3ex+2=9 | | 5x/46 | | 53.3=((2x)^2)/((.600-x)^2) | | 6=2(x+2) | | 2-3(-4)=14 |

Equations solver categories