a+17a=40-2a

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Solution for a+17a=40-2a equation: 


Simplifying
a + 17a = 40 + -2a

Combine like terms: a + 17a = 18a
18a = 40 + -2a

Solving
18a = 40 + -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.
18a + 2a = 40 + -2a + 2a

Combine like terms: 18a + 2a = 20a
20a = 40 + -2a + 2a

Combine like terms: -2a + 2a = 0
20a = 40 + 0
20a = 40

Divide each side by '20'.
a = 2

Simplifying
a = 2

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