7r+5=2r-15

Simple and best practice solution for 7r+5=2r-15 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+5=2r-15 equation: 



7r+5=2r-15

We move all terms to the left:

7r+5-(2r-15)=0

We get rid of parentheses

7r-2r+15+5=0

We add all the numbers together, and all the variables

5r+20=0

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

5r=-20

r=-20/5

r=-4

See similar equations:

| x-3.1=7.1 | | x-3.1=7.1 | | x-3.1=7.1 | | y+22y=0 | | x(3x+3)=48 | | 8(v-2)=-32 | | x(3x+3)=48 | | x(3x+3)=48 | | x(3x+3)=48 | | 8(v-2)=-32 | | 8(v-2)=-32 | | 8(v-2)=-32 | | x³=256 | | 9-4n=0 | | 1)4(2x+3)=31−3(x−1) | | 125+80+(-3x)+(45-x)+(-x+90)=540 | | 125+80+(-3x)+(45-x)+(-x+90)=540 | | 125+80+(-3x)+(45-x)+(-x+90)=540 | | 10c=600 | | 10c=600 | | 2w=w+96 | | 2w=w+96 | | 2w=w+96 | | 6/u=17/8 | | 6/u=17/8 | | 6/u=17/8 | | 6/u=17/8 | | 6/u=17/8 | | 5/9g+7=1/6g+1 | | y-11y=4 | | 7m-8m=-12 | | 100+3f=150+2.5f |

Equations solver categories