10=a-11

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Solution for 10=a-11 equation:


Simplifying
10 = a + -11

Reorder the terms:
10 = -11 + a

Solving
10 = -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.
10 + -1a = -11 + a + -1a

Combine like terms: a + -1a = 0
10 + -1a = -11 + 0
10 + -1a = -11

Add '-10' to each side of the equation.
10 + -10 + -1a = -11 + -10

Combine like terms: 10 + -10 = 0
0 + -1a = -11 + -10
-1a = -11 + -10

Combine like terms: -11 + -10 = -21
-1a = -21

Divide each side by '-1'.
a = 21

Simplifying
a = 21

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