7.Which of the following below are like terms?
a. 2x, 3x, 4x, 5x
b.-4a-3a,-2a,-ab
с. Зх, х”, х2, х*
d.xy,3xy,5y,5ab

8. Which of the following would result to a sum of 5ab?
a. 2+3b
b.4+b
c.2a+3b
d.3a+2b

9. What is the simplified term of 3x+x+2x+5x?
a.6x
b.7x
c.8x
d.9x

10. What must be subtracted from 8+3 to make a different of 5a+1?
a. 3a+2
b. За-2
c.3a+4
d.3a-4

Paki answer po nang tama plsss need ko kase...​