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 = 48
3a = 48

Divide each side by '3'.
a = 16

Simplifying
a = 16

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