2*2-6=a

Solution for 2*2-6=a equation:

Simplifying
2 * 2 + -6 = a

Multiply 2 * 2
4 + -6 = a

Combine like terms: 4 + -6 = -2
-2 = a

Solving
-2 = 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.
-2 + -1a = a + -1a

Combine like terms: a + -1a = 0
-2 + -1a = 0

Add '2' to each side of the equation.
-2 + 2 + -1a = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1a = 0 + 2
-1a = 0 + 2

Combine like terms: 0 + 2 = 2
-1a = 2

Divide each side by '-1'.
a = -2

Simplifying
a = -2