5(a+15)=-25

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Solution for 5(a+15)=-25 equation:


Simplifying
5(a + 15) = -25

Reorder the terms:
5(15 + a) = -25
(15 * 5 + a * 5) = -25
(75 + 5a) = -25

Solving
75 + 5a = -25

Solving for variable 'a'.

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

Add '-75' to each side of the equation.
75 + -75 + 5a = -25 + -75

Combine like terms: 75 + -75 = 0
0 + 5a = -25 + -75
5a = -25 + -75

Combine like terms: -25 + -75 = -100
5a = -100

Divide each side by '5'.
a = -20

Simplifying
a = -20

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