6[a+4]=42

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Solution for 6[a+4]=42 equation: 


Simplifying
6[a + 4] = 42

Reorder the terms:
6[4 + a] = 42
[4 * 6 + a * 6] = 42
[24 + 6a] = 42

Solving
24 + 6a = 42

Solving for variable 'a'.

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

Add '-24' to each side of the equation.
24 + -24 + 6a = 42 + -24

Combine like terms: 24 + -24 = 0
0 + 6a = 42 + -24
6a = 42 + -24

Combine like terms: 42 + -24 = 18
6a = 18

Divide each side by '6'.
a = 3

Simplifying
a = 3

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