Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
secondary 2 | Maths
One Answer Below
Anyone can contribute an answer, even non-tutors.
Please help me with this simultaneous equations. Thank you.
√y = b
4a+b = 17
5a-4b =-5
9a-3b = 12
3a-b = 4
4a+b = 17
7a = 21 ⇨ a = 3 = √x ⇨ x = 9
3a-b = 4
b = 3a-4 = 5 = √y ⇨ y = 25
See 1 Answer