-28=a-11

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Solution for -28=a-11 equation:


Simplifying
-28 = a + -11

Reorder the terms:
-28 = -11 + a

Solving
-28 = -11 + 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.
-28 + -1a = -11 + a + -1a

Combine like terms: a + -1a = 0
-28 + -1a = -11 + 0
-28 + -1a = -11

Add '28' to each side of the equation.
-28 + 28 + -1a = -11 + 28

Combine like terms: -28 + 28 = 0
0 + -1a = -11 + 28
-1a = -11 + 28

Combine like terms: -11 + 28 = 17
-1a = 17

Divide each side by '-1'.
a = -17

Simplifying
a = -17

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