-30=-10(r+9)

Simple and best practice solution for -30=-10(r+9) 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 -30=-10(r+9) equation: 



-30=-10(r+9)

We move all terms to the left:

-30-(-10(r+9))=0



We calculate terms in parentheses: -(-10(r+9)), so:

-10(r+9)

We multiply parentheses

-10r-90

Back to the equation:

-(-10r-90)



We get rid of parentheses

10r+90-30=0

We add all the numbers together, and all the variables

10r+60=0

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

10r=-60

r=-60/10

r=-6

See similar equations:

| 2(x+5)=3x+12x+10 | | 1/3x=27/8 | | 13x+2=4x+5 | | 4(k-2)=-8-4(4k+5) | | u+20=47 | | 0.4=10-0.1x | | 4u−3u+5u+u=14 | | 7-4x=12-3x | | 28,321.5+x=23,201.07 | | 6/5w+8=-4 | | -40+y+y=3y-2 | | 27p=28 | | 1/3x=33/8 | | r+31=61 | | -6(3-3b)-2b=27+b | | 2+1.25f=10-2,75 | | 4(2m-1)=19 | | 7x−10=4x+5 | | -8=2x–2 | | 2/3+n=12/9 | | 11x-3=90 | | x-8,707.37=20,321.5 | | 14=-4-2m | | p-13.6=21.3 | | 2y/4-5=2 | | 5x-15=20x+45 | | (4k-10)/k=8k= | | 2x-5(x-8)=25 | | -(4b+7)=-8-4b | | 15a-12a=12 | | (2x+8)=(-10x) | | 31+y=59.25 |

Equations solver categories