Homework Help: math-college algebra

Posted by dave on Wednesday, August 11, 2010 at 8:27pm.

y-3=1/2(x-6) "finding the value of a variable"

x=2 I know the answer is 1, but how do I work the problem to get 1. This problem is in our text book and in the back it states the answer is 1. I tried working the problem serval times and I do not come up with one.

math-college algebra - Reiny, Wednesday, August 11, 2010 at 8:33pm
y-3=1/2(x-6) , if x = 2
y-3 = (1/2)(2-6)
y-3 = (1/2)(-4)
y-3 = -2
y = -2 + 3
y = 1
math-college algebra - dave, Thursday, August 12, 2010 at 12:19am
Thank you Reiny. I see where I was making my mistake. I was multiplying 1/2*2 and 1/2*-6. instead of 2-6 then multiplying 1/2. Thank you for your help.

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