(2a-20)-25=-19

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Solution for (2a-20)-25=-19 equation:


Simplifying
(2a + -20) + -25 = -19

Reorder the terms:
(-20 + 2a) + -25 = -19

Remove parenthesis around (-20 + 2a)
-20 + 2a + -25 = -19

Reorder the terms:
-20 + -25 + 2a = -19

Combine like terms: -20 + -25 = -45
-45 + 2a = -19

Solving
-45 + 2a = -19

Solving for variable 'a'.

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

Add '45' to each side of the equation.
-45 + 45 + 2a = -19 + 45

Combine like terms: -45 + 45 = 0
0 + 2a = -19 + 45
2a = -19 + 45

Combine like terms: -19 + 45 = 26
2a = 26

Divide each side by '2'.
a = 13

Simplifying
a = 13

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