Question

Simplify the following expression and find the value if

x = 2 , y = -1


3y +7x - 2y + 8x -14​

Answer 1

Answer:

15

Step-by-step explanation:

prosses is in the picture

Answer 2

Answer:

putting, x = 2 , y = -1

we get, 3y +7x - 2y + 8x -14

= (3×-1) +(7×2) - (2×-1) +(8×2)-14

= (-3 + 14) - (-2 + 16 -14)

= 11 - ( 14 - 14)

= 11 - 0

=11 ( Ans)

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