Question

plz answer fast plz do in copy and send to me plz ​

Answer 1

Solution

$((7x - 2y + 15) + ( - 6y - 18)) - (5x - 12) \\ = 7x - 2y + 15 - 6y - 18 - 5x + 12 \\ = 7x - 5x - 2y - 6 y+ 15 + 12 \\ = 2x - 8y + 27$

Answer 2

Answer:

according to question :-

[(7x-2y+15)+(-6y-18)] - (5x-12)

(7x-2y+15-6y-18) - (5x-12)

7x -8y -3 - 5x +12

2x-8y+9

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