3(b-7)=6b

Solution for 3(b-7)=6b equation:

Simplifying
3(b + -7) = 6b

Reorder the terms:
3(-7 + b) = 6b
(-7 * 3 + b * 3) = 6b
(-21 + 3b) = 6b

Solving
-21 + 3b = 6b

Solving for variable 'b'.

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

Add '-6b' to each side of the equation.
-21 + 3b + -6b = 6b + -6b

Combine like terms: 3b + -6b = -3b
-21 + -3b = 6b + -6b

Combine like terms: 6b + -6b = 0
-21 + -3b = 0

Add '21' to each side of the equation.
-21 + 21 + -3b = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -3b = 0 + 21
-3b = 0 + 21

Combine like terms: 0 + 21 = 21
-3b = 21

Divide each side by '-3'.
b = -7

Simplifying
b = -7