2(a-10)=22

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Solution for 2(a-10)=22 equation: 


Simplifying
2(a + -10) = 22

Reorder the terms:
2(-10 + a) = 22
(-10 * 2 + a * 2) = 22
(-20 + 2a) = 22

Solving
-20 + 2a = 22

Solving for variable 'a'.

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

Add '20' to each side of the equation.
-20 + 20 + 2a = 22 + 20

Combine like terms: -20 + 20 = 0
0 + 2a = 22 + 20
2a = 22 + 20

Combine like terms: 22 + 20 = 42
2a = 42

Divide each side by '2'.
a = 21

Simplifying
a = 21

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