8a+9+7a+3=

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Solution for 8a+9+7a+3= equation:


Simplifying
8a + 9 + 7a + 3 = 0

Reorder the terms:
9 + 3 + 8a + 7a = 0

Combine like terms: 9 + 3 = 12
12 + 8a + 7a = 0

Combine like terms: 8a + 7a = 15a
12 + 15a = 0

Solving
12 + 15a = 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 + 15a = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 15a = 0 + -12
15a = 0 + -12

Combine like terms: 0 + -12 = -12
15a = -12

Divide each side by '15'.
a = -0.8

Simplifying
a = -0.8

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