Expert: Bobby Soltani - 1/22/2006

Question
lesson 9 can you tell me if these are correct thanks
4*3+2+(-3)5
12+2+(-3)5
12+2+(-15)
14+(-15)=-1
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4*3-2*5+6-5*2
12-10+6-10
2+6-10
8-10= -2
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6-8+2(3)
-2+6=4
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-5-7-3*2
-12-6=-18
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-2(-2)-2-2
4+2-2
2-2=0
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-3-6+2*5
-9+10=1
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-4(-3)+(-2)(-5)
12+10=22
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-18/-9=2
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-3+(-2)-(+2)(2)
-5-4=-9
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(-2)(-2)(-2)-|-8|
4(-2)-8
-8-8=-16
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(-7)(2)-2(-3)+6
-14+6+6
-8+6=-2
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-3-(-2)+(-3)-2(-2)
-3+2+(-3)+-2(-2)
-3+2+-3+4
-1+-3+4
-4+4=0
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(-5)(-5)-5(2)+3
25+-5(2)+3
25+-10+3
15+3=18

Answer
Nice work.  I think you got all of them correct.  On one of them, you wrote a plus when you meant a minus, but you did the math correctly.

-2(-2)-2-2
4+2-2  ( it should be 4 - 2 - 2)
2-2=0

It looks like you understand how to do these problems now.

Bobby