-11=1+a

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Solution for -11=1+a equation:


Simplifying
-11 = 1 + a

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

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

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

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

Combine like terms: 1 + 11 = 12
-1a = 12

Divide each side by '-1'.
a = -12

Simplifying
a = -12

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