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

User Tstr
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1,128. I'm glad you asked for my help!!!!!!!!
User Nick McConnell
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subsitute 7 for x

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