11-a=4

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Solution for 11-a=4 equation: 


Simplifying
11 + -1a = 4

Solving
11 + -1a = 4

Solving for variable 'a'.

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

Add '-11' to each side of the equation.
11 + -11 + -1a = 4 + -11

Combine like terms: 11 + -11 = 0
0 + -1a = 4 + -11
-1a = 4 + -11

Combine like terms: 4 + -11 = -7
-1a = -7

Divide each side by '-1'.
a = 7

Simplifying
a = 7

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