3b-6b=12(b+1)+9(b-12)

Simple and best practice solution for 3b-6b=12(b+1)+9(b-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 3b-6b=12(b+1)+9(b-12) equation:


Simplifying
3b + -6b = 12(b + 1) + 9(b + -12)

Combine like terms: 3b + -6b = -3b
-3b = 12(b + 1) + 9(b + -12)

Reorder the terms:
-3b = 12(1 + b) + 9(b + -12)
-3b = (1 * 12 + b * 12) + 9(b + -12)
-3b = (12 + 12b) + 9(b + -12)

Reorder the terms:
-3b = 12 + 12b + 9(-12 + b)
-3b = 12 + 12b + (-12 * 9 + b * 9)
-3b = 12 + 12b + (-108 + 9b)

Reorder the terms:
-3b = 12 + -108 + 12b + 9b

Combine like terms: 12 + -108 = -96
-3b = -96 + 12b + 9b

Combine like terms: 12b + 9b = 21b
-3b = -96 + 21b

Solving
-3b = -96 + 21b

Solving for variable 'b'.

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

Add '-21b' to each side of the equation.
-3b + -21b = -96 + 21b + -21b

Combine like terms: -3b + -21b = -24b
-24b = -96 + 21b + -21b

Combine like terms: 21b + -21b = 0
-24b = -96 + 0
-24b = -96

Divide each side by '-24'.
b = 4

Simplifying
b = 4

See similar equations:

| 8x*x-32x=0 | | (r-10)(r-1)=0 | | 9=2g-1 | | 12-6=24p | | (-7)(-7)=0 | | 5x+2=8x-28 | | 2(8x+8)-6(x+3)=x+5+11x-9 | | 2y+x=26 | | 2y^5-8y^3=0 | | x*5-42=42+x | | -12(r+10)=-12(2r-5) | | (4xy)/8xy | | 25x^4y^2-15x^3y^5=0 | | -3(3Y+4)-(-2Y-6)=-4 | | .05x+x=147000 | | 3/1+x/4=2 | | (x+2y)x(2x+3y)= | | B=20+5n | | 1/5(x-1)=51 | | k=5a+3b | | -2(t+2)+5t=60+11 | | 1/5(51-1)= | | 3n+10=17-4n | | V/4=76 | | 13+13p=7 | | x/7+x/2=1/14 | | 5x-42=42+x | | 3(x+4)=6x+10-3x+2 | | 7-9x+2x^2=0 | | 4(2-6)=3 | | -3(5S-1)-3=-3(7S+1)-4 | | 1/2p=81 |

Equations solver categories