15=-5(a+5)

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Solution for 15=-5(a+5) equation:


Simplifying
15 = -5(a + 5)

Reorder the terms:
15 = -5(5 + a)
15 = (5 * -5 + a * -5)
15 = (-25 + -5a)

Solving
15 = -25 + -5a

Solving for variable 'a'.

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

Add '5a' to each side of the equation.
15 + 5a = -25 + -5a + 5a

Combine like terms: -5a + 5a = 0
15 + 5a = -25 + 0
15 + 5a = -25

Add '-15' to each side of the equation.
15 + -15 + 5a = -25 + -15

Combine like terms: 15 + -15 = 0
0 + 5a = -25 + -15
5a = -25 + -15

Combine like terms: -25 + -15 = -40
5a = -40

Divide each side by '5'.
a = -8

Simplifying
a = -8

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