Question

Question:-

Given, x = 8 - y,
find: (10x + y) - 10y + x = 45
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Answer 1

Answer:

The solution for (10x + y) - 10y + x = 45 is y = - 43/- 21.

Step-by-step explanation:

Here, x = 8 - y ....( Given )

Therefore,

Substituting x = 8 - y in

[ 10x + y ] - 10y + x = 45, we get:-

[ 10( 8 - y ) + y ] - 10y + 8 - y = 45

[ 80 - 10y ] - 11y + 8 = 45

- 21y + 88 = 45

- 21y = 45 - 88

- 21y = - 43

y = - 43/- 21

Answer 2

Answer:

above one is correct

Step-by-step explanation:

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