3(b-4)-6b=42

Simple and best practice solution for 3(b-4)-6b=42 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-4)-6b=42 equation:


Simplifying
3(b + -4) + -6b = 42

Reorder the terms:
3(-4 + b) + -6b = 42
(-4 * 3 + b * 3) + -6b = 42
(-12 + 3b) + -6b = 42

Combine like terms: 3b + -6b = -3b
-12 + -3b = 42

Solving
-12 + -3b = 42

Solving for variable 'b'.

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

Add '12' to each side of the equation.
-12 + 12 + -3b = 42 + 12

Combine like terms: -12 + 12 = 0
0 + -3b = 42 + 12
-3b = 42 + 12

Combine like terms: 42 + 12 = 54
-3b = 54

Divide each side by '-3'.
b = -18

Simplifying
b = -18

See similar equations:

| n-6/5n-30 | | 2x+9=29+2x | | x-0.35x=105 | | F(x)=3x^5-8x^2-5x^2-16x-5 | | 2z^3+z=6 | | (9x-2)(7x-4)=0 | | (x-4.7)(x+1.1)= | | -8x-81=51+3x | | 9(x+5)=3(15+3x) | | log^7=65 | | l(5+h)=88 | | 4=3(x)-5(-3)+4(6) | | 6p+8=14+5p | | 2/3x-16=12 | | g(2)=4x^2-6x+2 | | 2J=A+8 | | 2J=A+4 | | 0=6+80x-16x^2 | | 15x^2-4=12 | | 9=n+3 | | 1/3(3x-6)^3=9 | | ln(x)=5.7 | | 21.6-y=5y | | .8-2x=-2.7 | | 3(x+5x)=36 | | 0=6+80x-16xsquared | | x+3-4x=-6 | | 2y-4=5y+1 | | 2y-31=-9y+24 | | 4y+2=-28.4 | | x/(x-4)=(x-6)/(x-7) | | 2y-31= |

Equations solver categories