5a-3b-4+7a+3b+9=

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Solution for 5a-3b-4+7a+3b+9= equation:


Simplifying
5a + -3b + -4 + 7a + 3b + 9 = 0

Reorder the terms:
-4 + 9 + 5a + 7a + -3b + 3b = 0

Combine like terms: -4 + 9 = 5
5 + 5a + 7a + -3b + 3b = 0

Combine like terms: 5a + 7a = 12a
5 + 12a + -3b + 3b = 0

Combine like terms: -3b + 3b = 0
5 + 12a + 0 = 0
5 + 12a = 0

Solving
5 + 12a = 0

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + 12a = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 12a = 0 + -5
12a = 0 + -5

Combine like terms: 0 + -5 = -5
12a = -5

Divide each side by '12'.
a = -0.4166666667

Simplifying
a = -0.4166666667

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