3r+4=13

Simple and best practice solution for 3r+4=13 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 3r+4=13 equation: 


Simplifying
3r + 4 = 13

Reorder the terms:
4 + 3r = 13

Solving
4 + 3r = 13

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + 3r = 13 + -4

Combine like terms: 4 + -4 = 0
0 + 3r = 13 + -4
3r = 13 + -4

Combine like terms: 13 + -4 = 9
3r = 9

Divide each side by '3'.
r = 3

Simplifying
r = 3

See similar equations:

| (x-10)(x+7)=0 | | y=5/2*1/2-1/2 | | 3x-9=10x+8 | | 10a-2=12a-10 | | 6u-18-4u=22 | | y=5/2*0-1/2 | | 64-b^2=0 | | y=5/2*(-1)-1/2 | | 25x+1+25x-2+20x-1+82=360 | | 9+-2r= | | 2(-4+-3x+x^2)=0 | | y=5/2*2-1/2 | | y=5/2*4-1/2 | | y=5/2*1-1/2 | | y-4=9 | | 4c^2+9c-28=0 | | 8m-8=12+4m | | 3(x-4)-2(x-5)=6x-2(x-5) | | R+4=13-2r | | y^2-10y+16=0 | | 3y+7=7y-5 | | 3z^2=8 | | 13-7x=127-28x | | 3x(2+x)=x(3x-2)-24 | | H+2(3H+4)=1 | | 3x(2+2)=x(3x-2)-24 | | x^2+x+35=0 | | 1.5+2.1y=1.1y+4.5 | | x(x+5)=x-15 | | (x^2)-x-90=0 | | 5r-8=-2r+20 | | 5(2n+2)-8= |

Equations solver categories