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MaRussiya [10]
3 years ago
12

What is the value of 12(3x+5x) when x=7

Mathematics
2 answers:
Nadusha1986 [10]3 years ago
6 0
1,128. I'm glad you asked for my help!!!!!!!!
Anna35 [415]3 years ago
5 0
Subsitute 7 for x

12(3(7)+5(7))
12(21+35)
12(56)
672
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