10a-5(a-3)=15

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Solution for 10a-5(a-3)=15 equation:


Simplifying
10a + -5(a + -3) = 15

Reorder the terms:
10a + -5(-3 + a) = 15
10a + (-3 * -5 + a * -5) = 15
10a + (15 + -5a) = 15

Reorder the terms:
15 + 10a + -5a = 15

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

Add '-15' to each side of the equation.
15 + -15 + 5a = 15 + -15

Combine like terms: 15 + -15 = 0
0 + 5a = 15 + -15
5a = 15 + -15

Combine like terms: 15 + -15 = 0
5a = 0

Solving
5a = 0

Solving for variable 'a'.

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

Divide each side by '5'.
a = 0

Simplifying
a = 0

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