(5a-7+9a)+(3+4a)=

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


Simplifying
(5a + -7 + 9a) + (3 + 4a) = 0

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

Combine like terms: 5a + 9a = 14a
(-7 + 14a) + (3 + 4a) = 0

Remove parenthesis around (-7 + 14a)
-7 + 14a + (3 + 4a) = 0

Remove parenthesis around (3 + 4a)
-7 + 14a + 3 + 4a = 0

Reorder the terms:
-7 + 3 + 14a + 4a = 0

Combine like terms: -7 + 3 = -4
-4 + 14a + 4a = 0

Combine like terms: 14a + 4a = 18a
-4 + 18a = 0

Solving
-4 + 18a = 0

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + 18a = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 18a = 0 + 4
18a = 0 + 4

Combine like terms: 0 + 4 = 4
18a = 4

Divide each side by '18'.
a = 0.2222222222

Simplifying
a = 0.2222222222

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