19=a-3.5

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Solution for 19=a-3.5 equation:


Simplifying
19 = a + -3.5

Reorder the terms:
19 = -3.5 + a

Solving
19 = -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.
19 + -1a = -3.5 + a + -1a

Combine like terms: a + -1a = 0
19 + -1a = -3.5 + 0
19 + -1a = -3.5

Add '-19' to each side of the equation.
19 + -19 + -1a = -3.5 + -19

Combine like terms: 19 + -19 = 0
0 + -1a = -3.5 + -19
-1a = -3.5 + -19

Combine like terms: -3.5 + -19 = -22.5
-1a = -22.5

Divide each side by '-1'.
a = 22.5

Simplifying
a = 22.5

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