Data Sufficiency (DS) | Re: If x and y are integers and y=|x+3| + |4-x|, does y equals 7

Bunuel and other experts: Can't we solve absolute value questions by the simple strategy of plugging in numbers? That's how I solved this question. I understand that it takes slightly longer by plugging in numbers. But honestly, the properties of absolute values makes me go nuts. They are so confusing and it doesn't come to me naturally. Do you get absolute value questions a lot on the GMAT that I absolutely need to learn the properties or can I get away by solving these questions through the plug
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