Question 1113679: What is the value of 2(x+y) - (×-y) if x= 2, y= 1, and z = -3
Answer by math_helper(2461)   (Show Source):
You can put this solution on YOUR website! What is the value of 2(x+y) - (×-y) if x= 2, y= 1, and z = -3
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To solve, just substitute the values given for x and y into the equation
(since the equation does not depend on z, that value is irrelevant):
2(2+1) - (2-1) = _________________
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