7a-9+4a=

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Solution for 7a-9+4a= equation:


Simplifying
7a + -9 + 4a = 0

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

Combine like terms: 7a + 4a = 11a
-9 + 11a = 0

Solving
-9 + 11a = 0

Solving for variable 'a'.

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

Add '9' to each side of the equation.
-9 + 9 + 11a = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 11a = 0 + 9
11a = 0 + 9

Combine like terms: 0 + 9 = 9
11a = 9

Divide each side by '11'.
a = 0.8181818182

Simplifying
a = 0.8181818182

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