-a+5=-10

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Solution for -a+5=-10 equation: 


Simplifying
-1a + 5 = -10

Reorder the terms:
5 + -1a = -10

Solving
5 + -1a = -10

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + -1a = -10 + -5

Combine like terms: 5 + -5 = 0
0 + -1a = -10 + -5
-1a = -10 + -5

Combine like terms: -10 + -5 = -15
-1a = -15

Divide each side by '-1'.
a = 15

Simplifying
a = 15

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