dbzlotrfan
 
Reply Sun 31 Oct, 2004 05:11 pm
Can saomeone help me solve these pre algebra 8the grade problems?

6+r/4=11
9x+4=6
10=5.2+.3m
12 increased b7 half an umber is 33. What is the number?
3x + 11=18
7
That whole thing above that is bold is one problem. the 3x is on top of a 7. with a + sign after that plusing 11 =18.
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carditel
 
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Reply Mon 1 Nov, 2004 01:35 am
6+r/4=11
r/4=11-6
r/4=5
r=4x5
r=20

9x+4=6
9x=6-4
9x=2
x=2/9

10=5.2=.3m
10-5.2=.3m
4.8=.3m
4.8/.3=m
16=m

3x/7+11=18
3x/7=18-11
3x/7=7
3x=7x7
3x=49
x=49/3
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