3(b-3)=12

Simple and best practice solution for 3(b-3)=12 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(b-3)=12 equation: 


Simplifying
3(b + -3) = 12

Reorder the terms:
3(-3 + b) = 12
(-3 * 3 + b * 3) = 12
(-9 + 3b) = 12

Solving
-9 + 3b = 12

Solving for variable 'b'.

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

Add '9' to each side of the equation.
-9 + 9 + 3b = 12 + 9

Combine like terms: -9 + 9 = 0
0 + 3b = 12 + 9
3b = 12 + 9

Combine like terms: 12 + 9 = 21
3b = 21

Divide each side by '3'.
b = 7

Simplifying
b = 7

See similar equations:

| 2n+3n+5=120 | | 10-7(3-s)+2(s+4)=30 | | x=(-19.3)50 | | 3n+4n+2=86 | | 7y=28x-7 | | x=965+50(0.02x+19.3) | | K-8=-1 | | 6.4+x=3.1 | | -7v+5(v+7)=21 | | N+2n=21 | | 5d=-10 | | 3s^3+6s^2-27s-54=0 | | y=0.02(965+50y)+19.3 | | 20/40=x/5 | | 4g-3=17 | | M+5=4 | | 6h+5j-5(6h-7j+3k)= | | H-5=-6 | | 2x^2-x-19=0 | | -3/4/1 | | 1/4y-4=5y+2-8y | | 7s-8=-7+8s | | 3y-29=-17+6y | | 0.25x+0.05(10-x)=0.10(-7) | | 2y-3=5y+3 | | 8s+7r= | | 5t+10=45 | | 2x=4(x-4)-8 | | 7x=9x | | -36x^2-24x+3=0 | | 10q-25=25 | | 147a^6b^6/-21a^9b^-8 |

Equations solver categories