1) 2x+10 2) 4x-2y 3) 14x-2y
Step-by-step explanation:
1) (7x+6)-(5x-4)=7x-5x+6-(-4)=2x+6+4=2x+10
2) (5x-3y)-(x-y)=5x-x-3y-(-y)=4x-3y+y=4x-2y
3) (9x-4y)-(-5x-2y)=9x-(-5x)-4y-(-2y)=9x+5x-4y+2y=14x-2y
the answer is c
hope this !
because that’s us why