Question

2ax+3by+4cy;5by-3cy-ax and 6cy+4ax-9by

Answer 1

Answer:

5ax - by + 7cy is the answer.

Step-by-step explanation:

2ax+3by+4cy + (5by - 3cy - ax ) + ( 6cy + 4ax - 9by )

= 2ax + 3by + 4cy + 5by - 3cy - ax + 6cy + 4ax - 9by

= 2ax + 4ax - ax + 3by + 5by - 9by + 4cy + 6cy - 3cy

= 6ax - ax + 8by - 9by + 10cy - 3cy

= 5ax - by + 7cy.