8+3a-5a=20

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Solution for 8+3a-5a=20 equation: 


Simplifying
8 + 3a + -5a = 20

Combine like terms: 3a + -5a = -2a
8 + -2a = 20

Solving
8 + -2a = 20

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + -2a = 20 + -8

Combine like terms: 8 + -8 = 0
0 + -2a = 20 + -8
-2a = 20 + -8

Combine like terms: 20 + -8 = 12
-2a = 12

Divide each side by '-2'.
a = -6

Simplifying
a = -6

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