20=2a+8a

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Solution for 20=2a+8a equation:


Simplifying
20 = 2a + 8a

Combine like terms: 2a + 8a = 10a
20 = 10a

Solving
20 = 10a

Solving for variable 'a'.

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

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

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

Add '-20' to each side of the equation.
20 + -20 + -10a = 0 + -20

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

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

Divide each side by '-10'.
a = 2

Simplifying
a = 2

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