19.5=a-3.5

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Solution for 19.5=a-3.5 equation:


Simplifying
19.5 = a + -3.5

Reorder the terms:
19.5 = -3.5 + a

Solving
19.5 = -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.
19.5 + -1a = -3.5 + a + -1a

Combine like terms: a + -1a = 0
19.5 + -1a = -3.5 + 0
19.5 + -1a = -3.5

Add '-19.5' to each side of the equation.
19.5 + -19.5 + -1a = -3.5 + -19.5

Combine like terms: 19.5 + -19.5 = 0.0
0.0 + -1a = -3.5 + -19.5
-1a = -3.5 + -19.5

Combine like terms: -3.5 + -19.5 = -23
-1a = -23

Divide each side by '-1'.
a = 23

Simplifying
a = 23

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