Math Problem...Help please!?

Question

can you please simplify these problems please

1. 6+3az+4(az+y)

2. 1/3a + 1/5y + 1/2z + 4/5y

3. 2(2e+f) + 3f+1

Answer 1

1.  6+3az+4(az+y)

= 6+3az+4az+4y

= 6+7az+4y

2.  1/3a + 1/5y + 1/2z + 4/5y

= 1/3a + 1/2z + 1y

3.  2(2e+f) + 3f+1

= 4e+2f+3f+1

= 4e+5f+1