20=(40-2.5r)/5

Simple and best practice solution for 20=(40-2.5r)/5 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 20=(40-2.5r)/5 equation: 



20=(40-2.5r)/5

We move all terms to the left:

20-((40-2.5r)/5)=0

We add all the numbers together, and all the variables

-((-2.5r+40)/5)+20=0

We multiply all the terms by the denominator


-((-2.5r+40)+20*5)=0



We calculate terms in parentheses: -((-2.5r+40)+20*5), so:

(-2.5r+40)+20*5

We add all the numbers together, and all the variables

(-2.5r+40)+100

We get rid of parentheses

-2.5r+40+100

We add all the numbers together, and all the variables

-2.5r+140

Back to the equation:

-(-2.5r+140)



We get rid of parentheses

2.5r-140=0

We move all terms containing r to the left, all other terms to the right

2.5r=140

r=140/2.5

r=56

See similar equations:

| 0.05+0.10(400-x)=0.45x | | 1/2+n+5=9 | | 71=9k—8 | | 8n=2(3n-1) | | 3x+7+5x-9=-8 | | -5=3-2/4x | | 1/2n+5=19 | | (4x-25)=(6x-51)=(x+14) | | 5x+3=-1x+27 | | c+(c/3)+(c/2)+16=49 | | 2b=7b-24 | | -15=6+7w | | -7x+3(-3x-3)=-185 | | [k+(-2)+18=30 | | x+(-18)=-25 | | 98/50=x | | -7(2x-7)+7=-14+56 | | 3.16=x+9 | | 1000+300x=2500+150x | | y−4=30, | | (15x+30)/(-5x-10)=x | | x+1+x+1=3x-4 | | 4(2t+2)−6(t−1)=6−t | | -35=-16x^2+35 | | 35=(0.75)t+(0.5)(0.50)t^2 | | 1+2x=2x+25 | | 4.9x^2-2x-50=0 | | c+(1/3c)+(1/2c)+16=49 | | 4-4x=7x-17 | | (12x-22)=(10x-6)=(7x+18) | | (3x-4)=3x-5 | | 16/15=2b-13/5 |

Equations solver categories