-25=a+(-15)

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


Simplifying
-25 = a + (-15)
-25 = a + -15

Reorder the terms:
-25 = -15 + a

Solving
-25 = -15 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-25 + -1a = -15 + a + -1a

Combine like terms: a + -1a = 0
-25 + -1a = -15 + 0
-25 + -1a = -15

Add '25' to each side of the equation.
-25 + 25 + -1a = -15 + 25

Combine like terms: -25 + 25 = 0
0 + -1a = -15 + 25
-1a = -15 + 25

Combine like terms: -15 + 25 = 10
-1a = 10

Divide each side by '-1'.
a = -10

Simplifying
a = -10

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