8-a-3a=16

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Solution for 8-a-3a=16 equation:


Simplifying
8 + -1a + -3a = 16

Combine like terms: -1a + -3a = -4a
8 + -4a = 16

Solving
8 + -4a = 16

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 + -4a = 16 + -8

Combine like terms: 8 + -8 = 0
0 + -4a = 16 + -8
-4a = 16 + -8

Combine like terms: 16 + -8 = 8
-4a = 8

Divide each side by '-4'.
a = -2

Simplifying
a = -2

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