a-2(10)=

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Solution for a-2(10)= equation: 


Simplifying
a + -2(10) = 0

Multiply -2 * 10
a + -20 = 0

Reorder the terms:
-20 + a = 0

Solving
-20 + a = 0

Solving for variable 'a'.

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

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

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

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

Simplifying
a = 20

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