20=57-r

Simple and best practice solution for 20=57-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 20=57-r equation: 



20=57-r

We move all terms to the left:

20-(57-r)=0

We add all the numbers together, and all the variables

-(-1r+57)+20=0

We get rid of parentheses

1r-57+20=0

We add all the numbers together, and all the variables

r-37=0

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

r=37

See similar equations:

| −6−t4=−1 | | -12x-6=30 | | 7v^2+38v-20=4 | | 65=7x+25 | | −2+7c=40 | | -7x^2=-39-17 | | –4f2+4f−1=0 | | 4m-9m=40m= | | 7x–1=3x+2 | | 20+v=6 | | 5(c-4)=1 | | 2=-1+k/4k= | | 5=500-0.1h | | 6x+7=19x-18 | | 90-y=15 | | 3x2–18x–33=0 | | Y=-5t2+30t+35 | | 2xx3=18 | | 4(25-c)=-156 | | 5^(2x-7)=1/25 | | Xx2x3=18 | | 7(-1-n)=-28-4n | | n2−4n−12=0 | | -4(8v+4)=-40-8v | | -10x+12=6 | | j=25-5 | | -2(3+b)=-14-3b | | 76x-2=56x-2 | | -(6x+3)=-38-x | | 5(1+3a)=-14-4a | | -1/4(3.2b+2.4)=(b-0.6) | | 2=m/27 |

Equations solver categories