30=9a+6a-5a

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Solution for 30=9a+6a-5a equation:


Simplifying
30 = 9a + 6a + -5a

Combine like terms: 9a + 6a = 15a
30 = 15a + -5a

Combine like terms: 15a + -5a = 10a
30 = 10a

Solving
30 = 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
30 + -10a = 10a + -10a

Combine like terms: 10a + -10a = 0
30 + -10a = 0

Add '-30' to each side of the equation.
30 + -30 + -10a = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -10a = 0 + -30
-10a = 0 + -30

Combine like terms: 0 + -30 = -30
-10a = -30

Divide each side by '-10'.
a = 3

Simplifying
a = 3

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