16=-9a+4a

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


Simplifying
16 = -9a + 4a

Combine like terms: -9a + 4a = -5a
16 = -5a

Solving
16 = -5a

Solving for variable 'a'.

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

Add '5a' to each side of the equation.
16 + 5a = -5a + 5a

Combine like terms: -5a + 5a = 0
16 + 5a = 0

Add '-16' to each side of the equation.
16 + -16 + 5a = 0 + -16

Combine like terms: 16 + -16 = 0
0 + 5a = 0 + -16
5a = 0 + -16

Combine like terms: 0 + -16 = -16
5a = -16

Divide each side by '5'.
a = -3.2

Simplifying
a = -3.2

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