Hasil dari (7x+4y)-(8x-6y)adalah​

Jawaban:

( 7x + 4y ) – (8x – 6y )=

7x- 8x +4y +6y

= -x + 10y

(7x + 4y) – (8x – 6y)

= 7x + 4y – 8x + 6y

= -x + 10y

= 10y – x