-3(r+4)=21

Simple and best practice solution for -3(r+4)=21 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+4)=21 equation: 



-3(r+4)=21

We move all terms to the left:

-3(r+4)-(21)=0

We multiply parentheses

-3r-12-21=0

We add all the numbers together, and all the variables

-3r-33=0

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

-3r=33

r=33/-3

r=-11

See similar equations:

| 1-13n=-183 | | x2−8x+16=25 | | -|d+2|=7 | | 5(2x-9)+3=7 | | 25y=-2(1+3)-(1+7) | | n-6=4-4n | | 2c-16=-2c-16 | | 23-4x=-13 | | X15=42r7 | | B-1/b=b | | 11-13x=-288 | | f(-2)=3(-2)^2-7 | | 3x+6=1.5+12 | | 3r-3r=-4 | | -10=4x-8 | | 14+n=16+17 | | x-61/6=113/4 | | 4x+5/3x=21/4x- | | -2/5+3=2/3x+1/3 | | (4x+5/3x=21/4x- | | -4y=4=15 | | K(x)=5x3‾√⋅6x | | 3x-28+3x-30=180 | | 3g-6(g-g)=42 | | x/4+3=2 | | 8x+x+2=22-x | | x^2-186=0 | | 11/2x-1/2=1/2x | | ​8​​p​​=​55​​22​​ | | 60-3x=8x | | 4.31-4y/3+6y=44 | | 60-3x+8x=180 |

Equations solver categories