2(a-2)=30

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


Simplifying
2(a + -2) = 30

Reorder the terms:
2(-2 + a) = 30
(-2 * 2 + a * 2) = 30
(-4 + 2a) = 30

Solving
-4 + 2a = 30

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + 2a = 30 + 4

Combine like terms: -4 + 4 = 0
0 + 2a = 30 + 4
2a = 30 + 4

Combine like terms: 30 + 4 = 34
2a = 34

Divide each side by '2'.
a = 17

Simplifying
a = 17

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