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icang [17]
2 years ago
5

Help pls! pls explain too

Mathematics
1 answer:
posledela2 years ago
6 0
X=7
you're going to set them equal to each other. subtract the x's on both sides and add the number (in this case, 5) on both sides of the equation. then divide the x by the 21 (you get 21 by adding the 5 to the 16). 21/3 = 7
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