42=2a+6

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Solution for 42=2a+6 equation:


Simplifying
42 = 2a + 6

Reorder the terms:
42 = 6 + 2a

Solving
42 = 6 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
42 + -2a = 6 + 2a + -2a

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

Add '-42' to each side of the equation.
42 + -42 + -2a = 6 + -42

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

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

Divide each side by '-2'.
a = 18

Simplifying
a = 18

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