2(a-3)=30

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


Simplifying
2(a + -3) = 30

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

Solving
-6 + 2a = 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 + 2a = 30 + 6

Combine like terms: -6 + 6 = 0
0 + 2a = 30 + 6
2a = 30 + 6

Combine like terms: 30 + 6 = 36
2a = 36

Divide each side by '2'.
a = 18

Simplifying
a = 18

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