-9=3b+12

Simple and best practice solution for -9=3b+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 -9=3b+12 equation:


Simplifying
-9 = 3b + 12

Reorder the terms:
-9 = 12 + 3b

Solving
-9 = 12 + 3b

Solving for variable 'b'.

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

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

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

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:

| 7a-15=2a-15 | | x=(x-11)+73 | | 7y+2-3Y=9+3y+3 | | -0.1111u-8=-4 | | 11y-5y=-24 | | 11/1=6/x | | 0.12(y-6)+0.14y=0.06y-1.2 | | (5x-6)+90=3x | | 1/11=x/6 | | 1.4z-6=2.9+9 | | -1x-8x=18 | | 50/76*100 | | 5x+10y+x+3x-y-2x= | | -3=-3+10n | | 52n=7 | | 87+0=87 | | x/9=x-2/7 | | 0.3333r-16=2 | | 8-s=7s | | X+3y=-35 | | 50/76 | | 6x-10+6x=84 | | 12+78x(x+2)=765 | | 4w^2+49=-28w | | 2n-12=24 | | 30+x=540 | | -7-7x-2x=-34 | | 0.125x+7=9 | | 6x+3(3x-13)=12 | | 6+2(8x-3)=5-8(2x-5) | | 0.875k-40=-26 | | x/3-2/3=1/2-x/3 |

Equations solver categories