3r+4=31

Simple and best practice solution for 3r+4=31 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=31 equation: 


Simplifying
3r + 4 = 31

Reorder the terms:
4 + 3r = 31

Solving
4 + 3r = 31

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 = 31 + -4

Combine like terms: 4 + -4 = 0
0 + 3r = 31 + -4
3r = 31 + -4

Combine like terms: 31 + -4 = 27
3r = 27

Divide each side by '3'.
r = 9

Simplifying
r = 9

See similar equations:

| 5*x+2*x+x=64 | | Ay+bz=x | | 5x-35=70 | | 5*x^2+12*x=0 | | 3*x-x=18 | | 36=6X+12 | | 6(a+2)+3=3(10-31) | | 8+4(x-4)=5-(x-14) | | 2[5-(2x+3)]+3X=0 | | p=5x-10y | | 8b-2(3b+1)=10 | | cosx=0.3 | | 4y^2-11y-6=0 | | X*X*X=8*9*24 | | p^2-15p+20=0 | | p^2-15+20=0 | | b^2+8b-7=0 | | 3(2x+5)=75 | | 8(3x-1)=160 | | 12x^2+18=35x | | 4(4x+7)=44 | | 6y+7-2y=9+3y-7 | | 8(c-9)=6(2c-12)-14c | | -3(4t-3)+6t=7t-6 | | 4(5x-7)=32 | | 2(2g-3)=2 | | 2(2g-3)=3 | | 9(a+8)=126 | | 6x^2+4x=9x+6 | | 2x+y-3z=0 | | 4(1-3x)-(3x+4)=0 | | 32y(12-5y)=8+7y |

Equations solver categories