-7r-13r=20

Simple and best practice solution for -7r-13r=20 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 -7r-13r=20 equation: 



-7r-13r=20

We move all terms to the left:

-7r-13r-(20)=0

We add all the numbers together, and all the variables

-20r-20=0

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

-20r=20

r=20/-20

r=-1

See similar equations:

| (14x-15)=41 | | 3x+7/4=-3.5 | | 2.7x=-2 | | -3n+4=79-8n | | x-x(.15)=600 | | 0.85m+3.75=10.55 | | 1.2m=72 | | (3v+4)(2-v)=0 | | x+4.3=10 | | 1.2x+3.6=4.8x. | | .25x+100=400 | | 2.7/30=3.6/x | | 7(3a-2)=112 | | 5(2x-1)=10x- | | (-a+7=2a-8,a) | | 100000+100x=200x | | c+-3c-11c-6=-19 | | 3x+7x+1=2(5x+2)+2 | | 11x–30= | | 8b+10−3b=–b−8 | | 11x–30=5x+12 | | 21=x/3+11 | | 5v-18=37 | | −2x−2=−2x+5 | | –4y+6=–8+3y. | | 4⅓=½+y | | n-23=-53 | | 114-p=90 | | 3x(3^4)=3^x= | | 7m-70+110=12m-100 | | 10t+8=6t | | -2x-(x-2)=5x+3(x+1 |

Equations solver categories