a+(-7)=5

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Solution for a+(-7)=5 equation: 


Simplifying
a + (-7) = 5
a + -7 = 5

Reorder the terms:
-7 + a = 5

Solving
-7 + a = 5

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + a = 5 + 7

Combine like terms: -7 + 7 = 0
0 + a = 5 + 7
a = 5 + 7

Combine like terms: 5 + 7 = 12
a = 12

Simplifying
a = 12

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