10+2a=20

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Solution for 10+2a=20 equation: 


Simplifying
10 + 2a = 20

Solving
10 + 2a = 20

Solving for variable 'a'.

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

Add '-10' to each side of the equation.
10 + -10 + 2a = 20 + -10

Combine like terms: 10 + -10 = 0
0 + 2a = 20 + -10
2a = 20 + -10

Combine like terms: 20 + -10 = 10
2a = 10

Divide each side by '2'.
a = 5

Simplifying
a = 5

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