9=-3(r+-4)

Simple and best practice solution for 9=-3(r+-4) 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 9=-3(r+-4) equation: 



9=-3(r+-4)

We move all terms to the left:

9-(-3(r+-4))=0

We add all the numbers together, and all the variables

-(-3(r-4))+9=0



We calculate terms in parentheses: -(-3(r-4)), so:

-3(r-4)

We multiply parentheses

-3r+12

Back to the equation:

-(-3r+12)



We get rid of parentheses

3r-12+9=0

We add all the numbers together, and all the variables

3r-3=0

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

3r=3

r=3/3

r=1

See similar equations:

| -3+5=k-1 | | b+5=20−b | | 1/8-5/7(x-5/29)=6x/25+1/13 | | 33.3b+5=20−b | | 2(5x+3)=4 | | -3k+5=k-1 | | 9(4x+1)=6 | | 35=2x-7x+8 | | 25-10x=25-9x | | 16–m=9 | | (2x-3)^2=144 | | 35=2x-7x=8 | | 4(15+x)=132 | | 2x^2=3=165 | | 102=5x+x | | 3x+15+10x=4+2x | | 7(x-9)=8(x-6) | | 3l-5=5l-7 | | 3x​^2​​+18x+27=0 | | 10x-25=9x-25 | | 3(1x+1)=6 | | x+2x+4•2x=176 | | 7(x−9)=8x−6 | | H(t)=-10t^2+60t+5 | | 50+66-3x+7x=180 | | X+x/2+(x-10)=490 | | -4+5x=4x+7 | | 480(37x-97)=32(26x-243) | | 2.45=y–1.3 | | 5+3x10=35 | | 7-4x=18-15x | | 16-2t=1.50+9 |

Equations solver categories