17=a-3.5

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Solution for 17=a-3.5 equation:


Simplifying
17 = a + -3.5

Reorder the terms:
17 = -3.5 + a

Solving
17 = -3.5 + 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.
17 + -1a = -3.5 + a + -1a

Combine like terms: a + -1a = 0
17 + -1a = -3.5 + 0
17 + -1a = -3.5

Add '-17' to each side of the equation.
17 + -17 + -1a = -3.5 + -17

Combine like terms: 17 + -17 = 0
0 + -1a = -3.5 + -17
-1a = -3.5 + -17

Combine like terms: -3.5 + -17 = -20.5
-1a = -20.5

Divide each side by '-1'.
a = 20.5

Simplifying
a = 20.5

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