Question

please answer the questions​

Answer 1

Answer:

3x-7x=-4x

5

-4x/5

-4x/5=2/5

Answer 2

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By cross multiplication

(3x+6)5 = (7x)2

15x+30 = 14x

transposing 14x to L.H.S. and 30 to R.H.S.

15x-14x = 30

x=30

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