please solve this maths . Step by Step.
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i hope its clear now
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a+b+c=6
Step-by-step explanation:
4a+5b+9c=36---------------(1)
7a+9b+17c=66----------------(2)
Multiplying (1) by 2 we get
8a+10b+18c=72--------------(3)
subtracting (2) from (3)
a+b+c=72-66=6
so a+b+c=6
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