3b*3-b-3=81

Simple and best practice solution for 3b*3-b-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 3b*3-b-3=81 equation:


Simplifying
3b * 3 + -1b + -3 = 81

Reorder the terms for easier multiplication:
3 * 3b + -1b + -3 = 81

Multiply 3 * 3
9b + -1b + -3 = 81

Reorder the terms:
-3 + 9b + -1b = 81

Combine like terms: 9b + -1b = 8b
-3 + 8b = 81

Solving
-3 + 8b = 81

Solving for variable 'b'.

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

Add '3' to each side of the equation.
-3 + 3 + 8b = 81 + 3

Combine like terms: -3 + 3 = 0
0 + 8b = 81 + 3
8b = 81 + 3

Combine like terms: 81 + 3 = 84
8b = 84

Divide each side by '8'.
b = 10.5

Simplifying
b = 10.5

See similar equations:

| 2x-9=x+5-11 | | 90/100*x=148 | | 6/8=10/x | | 0=4p+4 | | x+(x+18)+(x-13)=180 | | V^5/4=243 | | -55+-18=53+7x | | 9x^2-7x-11=24 | | 12-(5+x)=0 | | 0=2p-7 | | 3+4x=-7-1x | | 7x-40=x+2 | | 5x+13-3x=8+4x-7 | | 12z+1+6z-1=90 | | 13x+23=2 | | x^2-3x+168=0 | | -3/4×12 | | f(x)=x^3-2x^2-25x+50 | | 1.1=2.7c+.22p | | 1/4=-4/1x-10 | | 3x-8/2=849.5 | | 0=x^3-2x^2-25x+50 | | y=34/5 | | F/25=3/8 | | -11(5)+3x(-2)= | | (12+2x)(8+2x)=129 | | 42-7x=35 | | X^2+28x+11=0 | | 4=x-2/2x | | (8x^3x^-6)^1/3 | | 12x^2-26x+989=0 | | 12x=-3y+12 |

Equations solver categories