8.4a+9+0.6a+4=

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Solution for 8.4a+9+0.6a+4= equation:


Simplifying
8.4a + 9 + 0.6a + 4 = 0

Reorder the terms:
9 + 4 + 8.4a + 0.6a = 0

Combine like terms: 9 + 4 = 13
13 + 8.4a + 0.6a = 0

Combine like terms: 8.4a + 0.6a = 9a
13 + 9a = 0

Solving
13 + 9a = 0

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + 9a = 0 + -13

Combine like terms: 13 + -13 = 0
0 + 9a = 0 + -13
9a = 0 + -13

Combine like terms: 0 + -13 = -13
9a = -13

Divide each side by '9'.
a = -1.444444444

Simplifying
a = -1.444444444

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