-5a+16+7a=3a-9a

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Solution for -5a+16+7a=3a-9a equation:


Simplifying
-5a + 16 + 7a = 3a + -9a

Reorder the terms:
16 + -5a + 7a = 3a + -9a

Combine like terms: -5a + 7a = 2a
16 + 2a = 3a + -9a

Combine like terms: 3a + -9a = -6a
16 + 2a = -6a

Solving
16 + 2a = -6a

Solving for variable 'a'.

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

Add '6a' to each side of the equation.
16 + 2a + 6a = -6a + 6a

Combine like terms: 2a + 6a = 8a
16 + 8a = -6a + 6a

Combine like terms: -6a + 6a = 0
16 + 8a = 0

Add '-16' to each side of the equation.
16 + -16 + 8a = 0 + -16

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

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

Divide each side by '8'.
a = -2

Simplifying
a = -2

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