2-a=15

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Solution for 2-a=15 equation:


Simplifying
2 + -1a = 15

Solving
2 + -1a = 15

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + -1a = 15 + -2

Combine like terms: 2 + -2 = 0
0 + -1a = 15 + -2
-1a = 15 + -2

Combine like terms: 15 + -2 = 13
-1a = 13

Divide each side by '-1'.
a = -13

Simplifying
a = -13

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