3(a-8)=42

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Solution for 3(a-8)=42 equation: 


Simplifying
3(a + -8) = 42

Reorder the terms:
3(-8 + a) = 42
(-8 * 3 + a * 3) = 42
(-24 + 3a) = 42

Solving
-24 + 3a = 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 + 3a = 42 + 24

Combine like terms: -24 + 24 = 0
0 + 3a = 42 + 24
3a = 42 + 24

Combine like terms: 42 + 24 = 66
3a = 66

Divide each side by '3'.
a = 22

Simplifying
a = 22

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