Question

-x+5y-{x-(5y-2x)} do at fast​

Answer 1

Answer:

-x+5y-{x-(5y-2x)} = -4x+10y

Step-by-step explanation:

-x+5y-{x-(5y-2x)}

= -x + 5y -{ x - 5y + 2x}

= -x + 5y - { 3x-5y }

= -x + 5y - 3x + 5y

= -x-3x+5y+5y

= (-1-3)x+(5+5)y

= -4x+10y

Therefore,

-x+5y-{x-(5y-2x)} = -4x+10y

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