-20=2a+3a

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Solution for -20=2a+3a equation:


Simplifying
-20 = 2a + 3a

Combine like terms: 2a + 3a = 5a
-20 = 5a

Solving
-20 = 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
-20 + -5a = 5a + -5a

Combine like terms: 5a + -5a = 0
-20 + -5a = 0

Add '20' to each side of the equation.
-20 + 20 + -5a = 0 + 20

Combine like terms: -20 + 20 = 0
0 + -5a = 0 + 20
-5a = 0 + 20

Combine like terms: 0 + 20 = 20
-5a = 20

Divide each side by '-5'.
a = -4

Simplifying
a = -4

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