-7(2+r)=21

Simple and best practice solution for -7(2+r)=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 -7(2+r)=21 equation: 



-7(2+r)=21

We move all terms to the left:

-7(2+r)-(21)=0

We add all the numbers together, and all the variables

-7(r+2)-21=0

We multiply parentheses

-7r-14-21=0

We add all the numbers together, and all the variables

-7r-35=0

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

-7r=35

r=35/-7

r=-5

See similar equations:

| 4.9=y+2.6 | | 2/3+3f/4=31/6 | | 6x+7=5x-13 | | 11=p÷3-8 | | 62+8x=90+4x | | -10n-29=-18+91 | | 1/2r+2{3/4r-1}=1/4r+6 | | 3x-4+2x=-39 | | 4x^2+5=-43 | | 4x^2+5=-4/ | | .5x=42 | | 5/4x+5=15 | | 4x-7=8x-34 | | 5/2x+1/2x=45/2+7/2x | | 10n-29=-18+91 | | 5/3x+3=23 | | 9(b-3=5(3b-5) | | 3x-42=2x+7 | | x+2=20-5x | | x+2=20-3x | | 2x+3x+-6=10+4x | | -4+5k=36 | | 18a+20=16a+12 | | 2.3y+4.4y+-3.7=16.4 | | 2x-18+18=16+18 | | 3(x+1)-8=14-2(3x4) | | 35+7/6r=-35 | | 5+3x-3=5x-6 | | 2x-7+4x=-37 | | 1/6x-15=4 | | -3.1(3.8x-9.2)=1.8 | | 3(4n-8)-12n=5 |

Equations solver categories