9a+8+9a+4=

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Solution for 9a+8+9a+4= equation:


Simplifying
9a + 8 + 9a + 4 = 0

Reorder the terms:
8 + 4 + 9a + 9a = 0

Combine like terms: 8 + 4 = 12
12 + 9a + 9a = 0

Combine like terms: 9a + 9a = 18a
12 + 18a = 0

Solving
12 + 18a = 0

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + 18a = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 18a = 0 + -12
18a = 0 + -12

Combine like terms: 0 + -12 = -12
18a = -12

Divide each side by '18'.
a = -0.6666666667

Simplifying
a = -0.6666666667

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