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Phoenix [80]
3 years ago
7

What is the value of x in the equation 2x + 9 = 21? (4 points) 2 6 9 15

Mathematics
2 answers:
RoseWind [281]3 years ago
8 0
2x=12
2x divided by
12 divided by 2
Equals
X=6
RSB [31]3 years ago
3 0
It's 6 because 21-9=12, 2x=12, x=12\2, x=6
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