-40-a=57

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Solution for -40-a=57 equation:


Simplifying
-40 + -1a = 57

Solving
-40 + -1a = 57

Solving for variable 'a'.

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

Add '40' to each side of the equation.
-40 + 40 + -1a = 57 + 40

Combine like terms: -40 + 40 = 0
0 + -1a = 57 + 40
-1a = 57 + 40

Combine like terms: 57 + 40 = 97
-1a = 97

Divide each side by '-1'.
a = -97

Simplifying
a = -97

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