19=2a-11

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Solution for 19=2a-11 equation:


Simplifying
19 = 2a + -11

Reorder the terms:
19 = -11 + 2a

Solving
19 = -11 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
19 + -2a = -11 + 2a + -2a

Combine like terms: 2a + -2a = 0
19 + -2a = -11 + 0
19 + -2a = -11

Add '-19' to each side of the equation.
19 + -19 + -2a = -11 + -19

Combine like terms: 19 + -19 = 0
0 + -2a = -11 + -19
-2a = -11 + -19

Combine like terms: -11 + -19 = -30
-2a = -30

Divide each side by '-2'.
a = 15

Simplifying
a = 15

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