Question

efetue e alme

3x+2y+4x+6y+2-1

9x-6+4y-2y+x+3

7+4y+15-3x+9-1+4x

14y-3x+9y-3+16y+4x+5

20x+3x+6y+2y-4y+6x+2y

6x-2x+15-5y+3y-2

50-30-10+3x+4x+5x-3y-2u

Answer 1

a) $3x+2y+4x+6y+2-1=(3+4)x+(2+6)y+1=7x+8y+1$


b)

$9x-6+4y-2y+x+3=(9+1)x+(4-2)y-6+3=10x+2y-3$


c) $14-3x+9y-3+16y+4x+5=x+25y+16$


d) $20x+3x+6y+2y-4y+6x+2y=29x+8y$


e) $6x-2x+15-5y+3y-2=6x-2y+13$