Question

combine like terms.
(b) 7a + 9 + 2a + 2c
(d) 6 + 7p + 4z + 3p
(f) 3y + 6 + 4y + 9z

Explanation:

Step1: Combine like - terms for 7a + 9 + 2a + 2c

Combine the 'a' terms: (7a+2a)+9 + 2c

Step2: Simplify the 'a' terms

9a+9 + 2c

Step3: Combine like - terms for 6 + 7p + 4z + 3p

Combine the 'p' terms: 6+(7p + 3p)+4z

Step4: Simplify the 'p' terms

6 + 10p+4z

Step5: Combine like - terms for 3y + 6 + 4y + 9z

Combine the 'y' terms: (3y + 4y)+6 + 9z

Step6: Simplify the 'y' terms

7y+6 + 9z

Answer:

b. 9a + 9+2c
d. 6 + 10p+4z
f. 7y+6 + 9z