debry
31.01.2020 •
Mathematics
Solve multi step equations 2(4-d+2d)=12
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Ответ:
8-2d+4d=12
8+2d=12
2d=4
d=2
Ответ:
2(4+d)=12
divide both sides by 2
4+d=6
mnus 4 both sides
d=2
Ответ:
I have no idea what this means lol
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