2a=20-3

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Solution for 2a=20-3 equation: 


Simplifying
2a = 20 + -3

Combine like terms: 20 + -3 = 17
2a = 17

Solving
2a = 17

Solving for variable 'a'.

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

Divide each side by '2'.
a = 8.5

Simplifying
a = 8.5

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