izz7
izz7
31-05-2017
Mathematics
contestada
#10 help please I'm so lost
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lemonzo
lemonzo
31-05-2017
5h-7=2h+2
3h-7=2
3h=9
h=3
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Halfblood94
Halfblood94
31-05-2017
5h-7=2(h+1)
5h-7=2h+2
5h-7 +7 =2h+2 +7
5h-2h=2h+9 -2h
3h=9
h=3
it is just moving terms onto the other side, and cancelling them out. let me know if you need me to explain more! :)
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