6a-(3a+5)=a+9

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Solution for 6a-(3a+5)=a+9 equation:


Simplifying
6a + -1(3a + 5) = a + 9

Reorder the terms:
6a + -1(5 + 3a) = a + 9
6a + (5 * -1 + 3a * -1) = a + 9
6a + (-5 + -3a) = a + 9

Reorder the terms:
-5 + 6a + -3a = a + 9

Combine like terms: 6a + -3a = 3a
-5 + 3a = a + 9

Reorder the terms:
-5 + 3a = 9 + a

Solving
-5 + 3a = 9 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-5 + 3a + -1a = 9 + a + -1a

Combine like terms: 3a + -1a = 2a
-5 + 2a = 9 + a + -1a

Combine like terms: a + -1a = 0
-5 + 2a = 9 + 0
-5 + 2a = 9

Add '5' to each side of the equation.
-5 + 5 + 2a = 9 + 5

Combine like terms: -5 + 5 = 0
0 + 2a = 9 + 5
2a = 9 + 5

Combine like terms: 9 + 5 = 14
2a = 14

Divide each side by '2'.
a = 7

Simplifying
a = 7

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