4(r-20)=-9r+11

Simple and best practice solution for 4(r-20)=-9r+11 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 4(r-20)=-9r+11 equation: 



4(r-20)=-9r+11

We move all terms to the left:

4(r-20)-(-9r+11)=0

We multiply parentheses

4r-(-9r+11)-80=0

We get rid of parentheses

4r+9r-11-80=0

We add all the numbers together, and all the variables

13r-91=0

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

13r=91

r=91/13

r=7

See similar equations:

| 3(x−8)=7(x+1) | | x+3x+2x+3x+6=219 | | 14=-5x+7x | | 45=4x-11(x) | | 2+28d=60 | | 2 = m–2/2 | | d-599=67 | | 28d+2=60 | | -2/5+3/5=x | | -13y-16=11 | | x−5=–12 | | 92-(6x+9)=6(x+3)+x | | 7(4w+9)/5=6 | | 3x^2+26x+50=0 | | 84=2x-2(x) | | -3/4m-9=27 | | 7y-4=12+3y | | (1/2)=(2/3)x-(7/6) | | x+12=5x-32 | | 3(9-5x-3x)+5(3x+9)=27 | | 81=3.14r^2 | | -4(x+2-3x)=16 | | 155+24x=-193+18x | | 0.6x-0.4(1600-x)=10 | | 6e+4=58 | | 7x+4=-5x+8 | | f2+25f+150f=0 | | 3^2x=5^-x+5 | | -5=m+1-1 | | 6y+4y=40 | | 30=2b-1 | | 4x+8=40−4x |

Equations solver categories