Question

7. Find the value of a , if 15(a-4)-2 (a -9) +5 (a+6)= 0.
just say me the steps​

Answer 1

15a-60 -2a+18 +5a+30=0 15a+3a-60+48=0 18a-12=0 18a=12 a=18÷12 a=1.5

Answer 2

Answer:

a=2/3

Step-by-step explanation:

15a-60-2a+18+5a+30=0

15a-2a+5a-60+18+30=0

13a+5a-60+18+30=0

18a-60+18+30=0

18a-42+30=0

18a-12=0

18a=0+12

18a=12

a=12/18

a=6/9

a=2/3