3(4r+3)=81

Simple and best practice solution for 3(4r+3)=81 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 3(4r+3)=81 equation: 


Simplifying
3(4r + 3) = 81

Reorder the terms:
3(3 + 4r) = 81
(3 * 3 + 4r * 3) = 81
(9 + 12r) = 81

Solving
9 + 12r = 81

Solving for variable 'r'.

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

Add '-9' to each side of the equation.
9 + -9 + 12r = 81 + -9

Combine like terms: 9 + -9 = 0
0 + 12r = 81 + -9
12r = 81 + -9

Combine like terms: 81 + -9 = 72
12r = 72

Divide each side by '12'.
r = 6

Simplifying
r = 6

See similar equations:

| 6/20=2 | | 3x^2-13x-37=0 | | x-(27)=4x | | 5x+6(5x+3)=56 | | f/3-25=-29 | | 5(3g-4)=40 | | 12a-7=45 | | -6x=4x+5 | | V+3(2v+8)=19+6v | | 5-2(3x+1)=23 | | 9t=78 | | 3x-28=12-2x | | y/3-7=2 | | 4x+6(2x-10)=100 | | 2(3t+2)=-14 | | 1a+1b+1c=3.82 | | 2x+20=-3(x-5) | | 3/4-2/5=2 | | V^2=-4v-4 | | x(1-x^8)=0 | | 6(h+3)=54 | | 0.5(12x+6)= | | 5-2(3x+1)=-23 | | t/n-3=8 | | 164=4x+4(3x+17) | | 9(w-2)=-2w-7 | | 0.05x+0.2-0.15x=-10.5 | | 23-5x=-3(-7x+1) | | 2(5e-14)=22 | | 2x-3(x-10)+1=-1+2(x+7) | | 2v+6=-4v | | 4(2d-3)=20 |

Equations solver categories