7a-3a+2a-9=16

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Solution for 7a-3a+2a-9=16 equation:


Simplifying
7a + -3a + 2a + -9 = 16

Reorder the terms:
-9 + 7a + -3a + 2a = 16

Combine like terms: 7a + -3a = 4a
-9 + 4a + 2a = 16

Combine like terms: 4a + 2a = 6a
-9 + 6a = 16

Solving
-9 + 6a = 16

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 + 6a = 16 + 9

Combine like terms: -9 + 9 = 0
0 + 6a = 16 + 9
6a = 16 + 9

Combine like terms: 16 + 9 = 25
6a = 25

Divide each side by '6'.
a = 4.166666667

Simplifying
a = 4.166666667

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