Sanjay S. answered 01/13/15
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Jacqueline,
Here is the solution
-2x + 4 = 7
Subtract 4 from both sides of the equation
-2x + 4 -4 = 7 -4
or
-2x = 3
Divide both sides by (-2)
(-2x)/-2 = 3/(-2)
x = -1.5