9a+4=3a-16

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Solution for 9a+4=3a-16 equation:


Simplifying
9a + 4 = 3a + -16

Reorder the terms:
4 + 9a = 3a + -16

Reorder the terms:
4 + 9a = -16 + 3a

Solving
4 + 9a = -16 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
4 + 9a + -3a = -16 + 3a + -3a

Combine like terms: 9a + -3a = 6a
4 + 6a = -16 + 3a + -3a

Combine like terms: 3a + -3a = 0
4 + 6a = -16 + 0
4 + 6a = -16

Add '-4' to each side of the equation.
4 + -4 + 6a = -16 + -4

Combine like terms: 4 + -4 = 0
0 + 6a = -16 + -4
6a = -16 + -4

Combine like terms: -16 + -4 = -20
6a = -20

Divide each side by '6'.
a = -3.333333333

Simplifying
a = -3.333333333

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