8-3a-a=-4

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Solution for 8-3a-a=-4 equation:


Simplifying
8 + -3a + -1a = -4

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

Solving
8 + -4a = -4

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 = -4 + -8

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

Combine like terms: -4 + -8 = -12
-4a = -12

Divide each side by '-4'.
a = 3

Simplifying
a = 3

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