Question

solve this with steps ........please helps meee​

Answer 1

Answer:

Step-by-step explanation:

4a + 5b+ 9c = 36...................................................... eq(1)

7a+ 9b+ 17c = 66........................................................eq(2)

subsracting eq1 from eq2

7a-4a + 9b-5b+ 17c-9c= 66-36

3a+4b+8c=30..........................................................eq(3)

substracting eq3 from 1

4a-3a+5b-4b+9c-8c=36-30

a+b+c=6        .......(answer)

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Answer 2

HEY!!!!

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THE ANSWER IS 6.