10-5(a+5)=-25

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Solution for 10-5(a+5)=-25 equation: 


Simplifying
10 + -5(a + 5) = -25

Reorder the terms:
10 + -5(5 + a) = -25
10 + (5 * -5 + a * -5) = -25
10 + (-25 + -5a) = -25

Combine like terms: 10 + -25 = -15
-15 + -5a = -25

Solving
-15 + -5a = -25

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 + -5a = -25 + 15

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

Combine like terms: -25 + 15 = -10
-5a = -10

Divide each side by '-5'.
a = 2

Simplifying
a = 2

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