-a+2*2=2

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Solution for -a+2*2=2 equation: 


Simplifying
-1a + 2 * 2 = 2

Multiply 2 * 2
-1a + 4 = 2

Reorder the terms:
4 + -1a = 2

Solving
4 + -1a = 2

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + -4 + -1a = 2 + -4

Combine like terms: 4 + -4 = 0
0 + -1a = 2 + -4
-1a = 2 + -4

Combine like terms: 2 + -4 = -2
-1a = -2

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

Simplifying
a = 2

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