3(a+18)=72

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Solution for 3(a+18)=72 equation: 


Simplifying
3(a + 18) = 72

Reorder the terms:
3(18 + a) = 72
(18 * 3 + a * 3) = 72
(54 + 3a) = 72

Solving
54 + 3a = 72

Solving for variable 'a'.

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

Add '-54' to each side of the equation.
54 + -54 + 3a = 72 + -54

Combine like terms: 54 + -54 = 0
0 + 3a = 72 + -54
3a = 72 + -54

Combine like terms: 72 + -54 = 18
3a = 18

Divide each side by '3'.
a = 6

Simplifying
a = 6

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