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July 25, 2014

Homework Help: Math

Posted by Lucy Garcia on Wednesday, April 18, 2012 at 1:07am.

Can you correct the errors?

4(x+3)=24
4(3x)=24
12x=24
12x/12= 24/12
X=2

5(x+2)=45
5x+10=45
15x=45
15x/15=45/15
x=3

5+4x=13
5+4x-4x=13-4x
5=9x
5/9=9x/9
5/9= x

56=8(x+3)
56=8x+24
56-24=8x+24-24
32=8x
32/32=8x/32
x=8/32
x=1/4

S/6+3=11
6(s/6)+ 3=6(11)
S+3=66
S+3-3=66-3
s=63

And can you tell me how to do:
2(d+4)=10?

I'm kinda confused

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