7r+5=9-r

Simple and best practice solution for 7r+5=9-r 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=9-r equation: 



7r+5=9-r

We move all terms to the left:

7r+5-(9-r)=0

We add all the numbers together, and all the variables

7r-(-1r+9)+5=0

We get rid of parentheses

7r+1r-9+5=0

We add all the numbers together, and all the variables

8r-4=0

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

8r=4

r=4/8

r=1/2

See similar equations:

| 0=30−0.8x+√(2x) | | 10^y×5^(2y-2)×4^(y-1)=1 | | 9+x=-21 | | -5(3x-5)=115 | | 4(x+4)+2=6 | | 4(x+4)2=6 | | a×a=2a | | 5(x+3)-3(x+2)=2x+9 | | 4(x+3)+7x-9=10 | | 4x-21=6x-18 | | 3(2x+4)-9(x-3)=3(2-4x)+12 | | (x*20/100)+x=22.7 | | (x*(x+20/100))=22.7 | | (x+20/100)=22.7 | | (x-3)(x-4)=(2x+5)(x-1) | | (x*20/100)=22.7 | | 5p+2=1 | | 3d=4=d | | 20=5^2+15x-20 | | 20=30-5t^2 | | 2(6w+4)=5 | | 3y-y=12=-y=6 | | 15x-6=6x-12 | | 26+5=23x-22 | | 13000=2,000(1+r3) | | 13x+15−(x+2)= | | 2x+6=x+3x+9 | | 3x2-132=0 | | 7x-11=3x+21x | | 5x3/3=40 | | 18-4x=-2(6+2x | | 18-4x=2(6+2x) |

Equations solver categories