20=-6a-4a

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Solution for 20=-6a-4a equation:


Simplifying
20 = -6a + -4a

Combine like terms: -6a + -4a = -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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