2*-2+y=3

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Solution for 2*-2+y=3 equation: 


Simplifying
2 * -2 + y = 3

Multiply 2 * -2
-4 + y = 3

Solving
-4 + y = 3

Solving for variable 'y'.

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

Add '4' to each side of the equation.
-4 + 4 + y = 3 + 4

Combine like terms: -4 + 4 = 0
0 + y = 3 + 4
y = 3 + 4

Combine like terms: 3 + 4 = 7
y = 7

Simplifying
y = 7

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