Question

Plz solve it and please aap konse se class me hai wo v btaiye...

By the way I am in 7th std​

Answer 1

$x - x - y - x - y - x - y = 0$

$- 2x - y = 0$

$2x + y = 0$

Answer 2

Question

solve :-

x-(x+y) -x -y - (x-y)

concept -: here the simple concept of integers and adding and subtracting of like term is used.

solution

$\sf{ \to \: x - (x + y) - x - y - (x - y)} \\ \sf{ \underline{ : open \: the \: bracket}} \\ \sf{ \to \: x - x - y - x - y - x + y} \\ \sf{ \to \:2x - y }$

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