3(20+b)=81

Simple and best practice solution for 3(20+b)=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(20+b)=81 equation: 


Simplifying
3(20 + b) = 81
(20 * 3 + b * 3) = 81
(60 + 3b) = 81

Solving
60 + 3b = 81

Solving for variable 'b'.

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

Add '-60' to each side of the equation.
60 + -60 + 3b = 81 + -60

Combine like terms: 60 + -60 = 0
0 + 3b = 81 + -60
3b = 81 + -60

Combine like terms: 81 + -60 = 21
3b = 21

Divide each side by '3'.
b = 7

Simplifying
b = 7

See similar equations:

| 12n^2+64n=-20 | | 2(2z-9)= | | 24=5x-9 | | 12x-2=9x+28 | | 5(2x-5)+10=40 | | v^2-16=-6v | | 3.4j=0.816 | | 9(x+1)-(4x-5)=7 | | y-2=5x-20 | | 0.9x-1.3=.5 | | 9x^2-3x+4=4 | | y-.5y=3 | | 1.15xy=2z | | -15x-12=-56 | | Z/50.3=7.6 | | 6v^2-144=-12v | | 13x+4=4-2x | | 340=111x-99 | | Y-16=3y | | 32=-4(x-1) | | 12p^2-38p+37=2p+5 | | 340=111x+99 | | -4(4p+4)-35=3(3p+8) | | r^2+7r=-6 | | 4(40+8)=4x | | -x^3+5x^2-x+5=0 | | x-6*x=520 | | X^2=333 | | (12x-21)(12x-15)(h)=945 | | .888k=-0.16 | | 12p^3-38p+37=2p+5 | | 11x=7x-6 |

Equations solver categories