-3-a=10

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Solution for -3-a=10 equation:


Simplifying
-3 + -1a = 10

Solving
-3 + -1a = 10

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + -1a = 10 + 3

Combine like terms: -3 + 3 = 0
0 + -1a = 10 + 3
-1a = 10 + 3

Combine like terms: 10 + 3 = 13
-1a = 13

Divide each side by '-1'.
a = -13

Simplifying
a = -13

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