4a-6=42

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Solution for 4a-6=42 equation: 


Simplifying
4a + -6 = 42

Reorder the terms:
-6 + 4a = 42

Solving
-6 + 4a = 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 + 4a = 42 + 6

Combine like terms: -6 + 6 = 0
0 + 4a = 42 + 6
4a = 42 + 6

Combine like terms: 42 + 6 = 48
4a = 48

Divide each side by '4'.
a = 12

Simplifying
a = 12

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