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pentagon [3]
4 years ago
11

Find the sum of (x + 9) and (3x + 7)

Mathematics
2 answers:
Savatey [412]4 years ago
8 0
Combine the x terms since they are like terms and combine the constant terms since they are like terms. 

x + 3x = 4x
9 + 7 = 16
4x + 16 

Hopefully this helps and let me know if you need more help!
Dima020 [189]4 years ago
3 0
<span> (x + 9) + (3x + 7)
= 4x + 16

----------------</span>
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