Question

Me ajudem por favor?

Answer 1

1-
A) 4m + m = 5m
B) -7x -x = -8x
C) 8a^4 -6a^4 = 2a^4
D) xy -10xy = -9xy
E) x + x = 2x
F) 9a - 9a = 0
G) 3ab - 8ab = - 5ab
H) - 7cd^2 - 5cd^2 = -9cd^2
I) 8x - 7x + 2x = 3x
J) 3abc -2abc + 5abc = 6abc