20=2a+2

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Solution for 20=2a+2 equation:


Simplifying
20 = 2a + 2

Reorder the terms:
20 = 2 + 2a

Solving
20 = 2 + 2a

Solving for variable 'a'.

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

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

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

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

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

Combine like terms: 2 + -20 = -18
-2a = -18

Divide each side by '-2'.
a = 9

Simplifying
a = 9

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