3(r-10)=-9

Simple and best practice solution for 3(r-10)=-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 3(r-10)=-9 equation: 



3(r-10)=-9

We move all terms to the left:

3(r-10)-(-9)=0

We add all the numbers together, and all the variables

3(r-10)+9=0

We multiply parentheses

3r-30+9=0

We add all the numbers together, and all the variables

3r-21=0

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

3r=21

r=21/3

r=7

See similar equations:

| 5(x-4)+15=-10(x-1)+6 | | 4(2.71828)^(x-7)=88 | | 8x+2=(5x-13)/2 | | 2x+6x-4x=10+3 | | -4(y+1)=2(1-y)-6 | | 32=5y-7 | | x=1.7-0.2x | | 5(x+3)–2=53 | | 22=n+2 | | 3(r-3)=3 | | -5(u-3)=9u-27 | | 1=11=21=x=111221=312211 | | 1/3x-17=2 | | 24=2(y+5)-4y | | 6a^2-a=0 | | 2=11-k | | 5x-10x=-10-15 | | 8=11-s | | 84+8m=228 | | 4=f-8 | | 84+4m=228 | | 17-t=4+3 | | 2=w-5 | | x+2+3x-8=180 | | 26n-168=196 | | -n+4=-8+2 | | 37=5v+7 | | y³-9y=45-5y² | | 4(2z-8)=18 | | 23=4c-6c-7 | | q-5/9=1/6 | | 27=2g+3 |

Equations solver categories