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miskamm [114]
4 years ago
12

eight times a number plus 3 times the number is the same as 9 more than 12 times the number. find the number

Mathematics
2 answers:
il63 [147K]4 years ago
8 0
8x + 3x = 9 + 12x , x = - 9
guapka [62]4 years ago
3 0
8x+3x=12x+9
11x=12x+9
11x-9=12x
-9=x

Hope this helps :)
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