30+9r=-4(2r-5)

Simple and best practice solution for 30+9r=-4(2r-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 30+9r=-4(2r-5) equation: 



30+9r=-4(2r-5)

We move all terms to the left:

30+9r-(-4(2r-5))=0



We calculate terms in parentheses: -(-4(2r-5)), so:

-4(2r-5)

We multiply parentheses

-8r+20

Back to the equation:

-(-8r+20)



We get rid of parentheses

9r+8r-20+30=0

We add all the numbers together, and all the variables

17r+10=0

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

17r=-10

r=-10/17

r=-10/17

See similar equations:

| z+3+4z=0 | | 18y+12=y | | 6x^2+4x=6x-4 | | -92+9x=-2x+139 | | -4=21-5x | | 4v-18=-7(5-3v) | | 9X+8=9x+9 | | 40+2a=24 | | x-(.85x)=30 | | 7x-10x+18+2x=5 | | 3(-2x+1)=2(x-1) | | 4r+21=r+2.50 | | 4x=1/5x+3 | | 17-6x=1-10x | | -2a+4=-13 | | 7x-93=-5x+135 | | x^-11x+24=0 | | 2x-3(6x-2)=-64 | | 29y+(-18y)=y | | 9=6x+2 | | 2/5m+2=4/7 | | 4(x-12)=x+3 | | 4=0.8m | | 3(-2x+1=2 | | −12/7z=48 | | 11x-189=-4x+81 | | 2y+1=y-7 | | 16x+16=-14 | | 12g=12(​3​​2​​g−1)+11 | | 8x-4=2+7x | | 3d-2(d+2)=-1 | | 10x-115=-5x+80 |

Equations solver categories