19-2a=15

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Solution for 19-2a=15 equation: 


Simplifying
19 + -2a = 15

Solving
19 + -2a = 15

Solving for variable 'a'.

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

Add '-19' to each side of the equation.
19 + -19 + -2a = 15 + -19

Combine like terms: 19 + -19 = 0
0 + -2a = 15 + -19
-2a = 15 + -19

Combine like terms: 15 + -19 = -4
-2a = -4

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

Simplifying
a = 2

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