Q9)Find value of a, if :
15 (a - 4) - 2 (a - 9) + 5 (a +6) = 0
Answers
Answered by
2
Answer:
15(a-4) -2(a-9)+5(a+6)=0
15a-60-2a-18+5a+30=0
15a+5a-2a-60-18+30=0
18a-78+30=0
18a-48=0
18a=48
a=48/18
a=2.66
Answered by
2
Answer a=2/3
Step-by-step explanation:
- 15(a-4)-2(a-9)+5(a+6)=0
- 15a-60-2a+18+5a+30=0
- 15a-2a+5a-60+18+30=0
- 20a-2a-60+48=0
- 18a-12=0
- 18a=12
- a=12/18
- a=2/3 answer.
- thanks
Similar questions