Question

a + 50 + 3a + 3a= 365
​

Answer 1

Step-by-step explanation:

$a + 50 + 3a + 3a = 365 \\ 7a + 50 = 365 \\ 7a = 365 - 50 \\ 7a =31 5 \\ a = 45$

I hope it helps you

Answer 2

50+7a=365

7a=365-50

7a=315

a=315/7

a=45