Question

Expand and simplify 5(a+7)+2(a+4)​

Answer 1

Answer:

Step-by-step explanation:

first multiply the brackets

5(a+7) + 2(a+4)

= 5a + 35 + 2a + 8

= 5a + 2a + 35 + 8

= 7a + 43

hope this helps!!

Answer 2

Answer:

5(a+7)+2(a+4)

Step-by-step explanation:

= (5×a+5×7) + (2×a+2×4)

= (5a+35 ) + ( 2a+8)

=(5a+2a ) + (35+8)

= 7a +43

a=43/7

I think this will help u