5(a-3)-a=9

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


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

Reorder the terms:
5(-3 + a) + -1a = 9
(-3 * 5 + a * 5) + -1a = 9
(-15 + 5a) + -1a = 9

Combine like terms: 5a + -1a = 4a
-15 + 4a = 9

Solving
-15 + 4a = 9

Solving for variable 'a'.

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

Add '15' to each side of the equation.
-15 + 15 + 4a = 9 + 15

Combine like terms: -15 + 15 = 0
0 + 4a = 9 + 15
4a = 9 + 15

Combine like terms: 9 + 15 = 24
4a = 24

Divide each side by '4'.
a = 6

Simplifying
a = 6

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