3(a-2)=30

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Solution for 3(a-2)=30 equation: 


Simplifying
3(a + -2) = 30

Reorder the terms:
3(-2 + a) = 30
(-2 * 3 + a * 3) = 30
(-6 + 3a) = 30

Solving
-6 + 3a = 30

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 6 + 3a = 30 + 6

Combine like terms: -6 + 6 = 0
0 + 3a = 30 + 6
3a = 30 + 6

Combine like terms: 30 + 6 = 36
3a = 36

Divide each side by '3'.
a = 12

Simplifying
a = 12

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