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JulijaS [17]
3 years ago
9

If 9a+6b+4c=7, what is -24b-16c-36a

Mathematics
1 answer:
zheka24 [161]3 years ago
6 0
Rearrange the 2nd equation

-36a-24b-16c

divide the whole thing by 4 and you'll get
-9a-6b-4c

you'll realize it looks the same as your first equation except that all the + has become minus so the answer will be -7 instead for your new equation
-9a-6b-4c=-7

multiply the whole thing by 4 and you'll get
-36a-24b-16c = -28

so the answer you want is -28
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