Blazecraig722
Blazecraig722
14-10-2014
Mathematics
contestada
what is 3x+9=6 (x-2) show work please
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eu99li
eu99li
14-10-2014
3x+9=6 (x-2)...... 3x+9=6x-12........ 3x=21........ x=7
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Аноним
Аноним
14-10-2014
3x + 9 = 6(x - 2)
3x + 9 = 6x - 12
3x - 3x + 9 + 12 = 6x - 3x - 12 + 12
21 = 3x
21/3 = 3x/3
7 = x
x = 7
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