4r-13=r+8

Simple and best practice solution for 4r-13=r+8 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 4r-13=r+8 equation:


Simplifying
4r + -13 = r + 8

Reorder the terms:
-13 + 4r = r + 8

Reorder the terms:
-13 + 4r = 8 + r

Solving
-13 + 4r = 8 + r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-1r' to each side of the equation.
-13 + 4r + -1r = 8 + r + -1r

Combine like terms: 4r + -1r = 3r
-13 + 3r = 8 + r + -1r

Combine like terms: r + -1r = 0
-13 + 3r = 8 + 0
-13 + 3r = 8

Add '13' to each side of the equation.
-13 + 13 + 3r = 8 + 13

Combine like terms: -13 + 13 = 0
0 + 3r = 8 + 13
3r = 8 + 13

Combine like terms: 8 + 13 = 21
3r = 21

Divide each side by '3'.
r = 7

Simplifying
r = 7

See similar equations:

| 29xy+34xy= | | 3x-9(5-9x)=(6x-2)+10 | | (9(q+4)-15)-(2(q-4)+1)= | | lnx=0.39 | | 2x-3+4= | | 540-30m=b | | X*3=41 | | 9(n+2)=-2(1-4n) | | 2x-3+-4= | | 0.2+1.6=x-0.8(x-2) | | k-7.1=-8.96 | | B=540-30m | | 2x-3-4= | | 5xy+25xy= | | x-17=238 | | -8+2=2 | | Q=Byw | | 5(x-2)-6(x-5)=x+5-(x-5) | | 13÷1/3 | | -4m-24=-8 | | -3.6-5x=13.9 | | 17x^2+68x+68=0 | | 4(4+6n)=(n-9)+8n | | 2x+7+9-4+3x+2x=4x+9-2+1+7x | | 45+6s=63 | | 24xyz-24xyz+5xy= | | 1x-.2x=20 | | 12y=12(6) | | 10x^2+8x+7=0 | | -1x^2+5x+36=0 | | -3(5y-10)-y=-4(y-4) | | 3-x^2=5x |

Equations solver categories