3a-20+8a-20=

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Solution for 3a-20+8a-20= equation:


Simplifying
3a + -20 + 8a + -20 = 0

Reorder the terms:
-20 + -20 + 3a + 8a = 0

Combine like terms: -20 + -20 = -40
-40 + 3a + 8a = 0

Combine like terms: 3a + 8a = 11a
-40 + 11a = 0

Solving
-40 + 11a = 0

Solving for variable 'a'.

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

Add '40' to each side of the equation.
-40 + 40 + 11a = 0 + 40

Combine like terms: -40 + 40 = 0
0 + 11a = 0 + 40
11a = 0 + 40

Combine like terms: 0 + 40 = 40
11a = 40

Divide each side by '11'.
a = 3.636363636

Simplifying
a = 3.636363636

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