Math, asked by laasya517, 2 months ago

i. When x=2 and y= -1 , evaluate a. 5x+y– 7x-y

Answers

Answered by usernametaken8

0

Step-by-step explanation:

a. 5×2 -1 - 7×2 -(-1)

= 10 -1 - 14 +1

= - 4

Answered by balapriya11

0

Step-by-step explanation:

5x+y -7x-y

5x-7x

-2x

when x=2 , y=-1

5×2+-1-7×2-1

10-14

-4

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