6(2a+1)=42

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Solution for 6(2a+1)=42 equation: 


Simplifying
6(2a + 1) = 42

Reorder the terms:
6(1 + 2a) = 42
(1 * 6 + 2a * 6) = 42
(6 + 12a) = 42

Solving
6 + 12a = 42

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + 12a = 42 + -6

Combine like terms: 6 + -6 = 0
0 + 12a = 42 + -6
12a = 42 + -6

Combine like terms: 42 + -6 = 36
12a = 36

Divide each side by '12'.
a = 3

Simplifying
a = 3

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