6-3b=42

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Solution for 6-3b=42 equation: 


Simplifying
6 + -3b = 42

Solving
6 + -3b = 42

Solving for variable 'b'.

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

Add '-6' to each side of the equation.
6 + -6 + -3b = 42 + -6

Combine like terms: 6 + -6 = 0
0 + -3b = 42 + -6
-3b = 42 + -6

Combine like terms: 42 + -6 = 36
-3b = 36

Divide each side by '-3'.
b = -12

Simplifying
b = -12

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