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Noelle Brown
Mathematics
29 September, 00:21
Whats x if 7x - 9 = 12
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Nathalie Olson
29 September, 00:34
0
x=3
Step-by-step explanation:
7x - 9 = 12
Add 9 to each side
7x - 9+9 = 12+9
7x = 21
Divide each side by 7
7x/7 = 21/7
x = 3
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