15=a+17

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Solution for 15=a+17 equation:


Simplifying
15 = a + 17

Reorder the terms:
15 = 17 + a

Solving
15 = 17 + 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.
15 + -1a = 17 + a + -1a

Combine like terms: a + -1a = 0
15 + -1a = 17 + 0
15 + -1a = 17

Add '-15' to each side of the equation.
15 + -15 + -1a = 17 + -15

Combine like terms: 15 + -15 = 0
0 + -1a = 17 + -15
-1a = 17 + -15

Combine like terms: 17 + -15 = 2
-1a = 2

Divide each side by '-1'.
a = -2

Simplifying
a = -2

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