Sagot :
Sum:
(2x+5y)+(-6x-7)
=2x - 6x + 5y - 7
= -4x + 5y - 7
Difference:
(2x+5y) - (-6x-7)
= 2x + 5y + 6x + 7
= 8x +5y +7
#CarryOnLearning
#StudyWell
Sum:
(2x+5y)+(-6x-7)
=2x - 6x + 5y - 7
= -4x + 5y - 7
Difference:
(2x+5y) - (-6x-7)
= 2x + 5y + 6x + 7
= 8x +5y +7
#CarryOnLearning
#StudyWell