(3a-5)+2a=9

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Solution for (3a-5)+2a=9 equation:


Simplifying
(3a + -5) + 2a = 9

Reorder the terms:
(-5 + 3a) + 2a = 9

Remove parenthesis around (-5 + 3a)
-5 + 3a + 2a = 9

Combine like terms: 3a + 2a = 5a
-5 + 5a = 9

Solving
-5 + 5a = 9

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 + 5a = 9 + 5

Combine like terms: -5 + 5 = 0
0 + 5a = 9 + 5
5a = 9 + 5

Combine like terms: 9 + 5 = 14
5a = 14

Divide each side by '5'.
a = 2.8

Simplifying
a = 2.8

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