2a+6=42

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Solution for 2a+6=42 equation: 


Simplifying
2a + 6 = 42

Reorder the terms:
6 + 2a = 42

Solving
6 + 2a = 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 + 2a = 42 + -6

Combine like terms: 6 + -6 = 0
0 + 2a = 42 + -6
2a = 42 + -6

Combine like terms: 42 + -6 = 36
2a = 36

Divide each side by '2'.
a = 18

Simplifying
a = 18

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