2+3a=20

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Solution for 2+3a=20 equation: 


Simplifying
2 + 3a = 20

Solving
2 + 3a = 20

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + 3a = 20 + -2

Combine like terms: 2 + -2 = 0
0 + 3a = 20 + -2
3a = 20 + -2

Combine like terms: 20 + -2 = 18
3a = 18

Divide each side by '3'.
a = 6

Simplifying
a = 6

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