Posted by Betty on Wednesday, January 31, 2007 at 5:30pm.
I always get stuck because I never know where to start, and the signs confuse me.
Here's the problem:
10(8)+(4)20
Here's my first step...
20108+4
104
=14
But, that's not right. I checked in the back of the book for the answer, and the answer is 26. I know I didn't do it right, because I struggled with it too much.
Can someone please lead me, and show me what I did wrong?
20108+4
108+4
2+4
2

Subtracting real numbers  Anonymous, Thursday, January 29, 2009 at 10:27am
x+42
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