5(2a-4)+2=42

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Solution for 5(2a-4)+2=42 equation:


Simplifying
5(2a + -4) + 2 = 42

Reorder the terms:
5(-4 + 2a) + 2 = 42
(-4 * 5 + 2a * 5) + 2 = 42
(-20 + 10a) + 2 = 42

Reorder the terms:
-20 + 2 + 10a = 42

Combine like terms: -20 + 2 = -18
-18 + 10a = 42

Solving
-18 + 10a = 42

Solving for variable 'a'.

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

Add '18' to each side of the equation.
-18 + 18 + 10a = 42 + 18

Combine like terms: -18 + 18 = 0
0 + 10a = 42 + 18
10a = 42 + 18

Combine like terms: 42 + 18 = 60
10a = 60

Divide each side by '10'.
a = 6

Simplifying
a = 6

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