AC Lim's answer to LimZh6360I's Primary 3 Maths Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
2X + Y = 400
X2 to above equation
4X + 2Y = 800 ----->1
3X + 2Y = 200 ----->2
1-2;
4X-3X = 800 - 200
X = 600
Is it?
X2 to above equation
4X + 2Y = 800 ----->1
3X + 2Y = 200 ----->2
1-2;
4X-3X = 800 - 200
X = 600
Is it?
Date Posted:
5 years ago
Wrong
360 Tutoring Program