3(a+7)=27

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Solution for 3(a+7)=27 equation: 


Simplifying
3(a + 7) = 27

Reorder the terms:
3(7 + a) = 27
(7 * 3 + a * 3) = 27
(21 + 3a) = 27

Solving
21 + 3a = 27

Solving for variable 'a'.

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

Add '-21' to each side of the equation.
21 + -21 + 3a = 27 + -21

Combine like terms: 21 + -21 = 0
0 + 3a = 27 + -21
3a = 27 + -21

Combine like terms: 27 + -21 = 6
3a = 6

Divide each side by '3'.
a = 2

Simplifying
a = 2

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