-2(a+25)=-100

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Solution for -2(a+25)=-100 equation:


Simplifying
-2(a + 25) = -100

Reorder the terms:
-2(25 + a) = -100
(25 * -2 + a * -2) = -100
(-50 + -2a) = -100

Solving
-50 + -2a = -100

Solving for variable 'a'.

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

Add '50' to each side of the equation.
-50 + 50 + -2a = -100 + 50

Combine like terms: -50 + 50 = 0
0 + -2a = -100 + 50
-2a = -100 + 50

Combine like terms: -100 + 50 = -50
-2a = -50

Divide each side by '-2'.
a = 25

Simplifying
a = 25

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