2a(2)-a-15=0

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Solution for 2a(2)-a-15=0 equation:


Simplifying
2a(2) + -1a + -15 = 0

Reorder the terms for easier multiplication:
2 * 2a + -1a + -15 = 0

Multiply 2 * 2
4a + -1a + -15 = 0

Reorder the terms:
-15 + 4a + -1a = 0

Combine like terms: 4a + -1a = 3a
-15 + 3a = 0

Solving
-15 + 3a = 0

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 + 3a = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 3a = 0 + 15
3a = 0 + 15

Combine like terms: 0 + 15 = 15
3a = 15

Divide each side by '3'.
a = 5

Simplifying
a = 5

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