Page 120 - Mathematics

39. Find the solution of each of the following simultaneous equations.
 2
2x −  3y = − 11  3x + y = 3
(a)  (c)  5

25x
 y = −−  x = 5 y + 1
  7
 2 1
y
 x = + 3  x − y = − 1
(b)  1 (d)  3 2


 2 x + 3y = − 2  y = 4 x + 2

 
5
40. Show that x − y = yx− for all real numbers x and y.
Tanzania Institute of Education

Project: Exploring uses of Algebra in everyday life

Use various sources such as books and the internet to explore different ways
algebra is used in solving various daily life problems.

Mathematics Form One

114

25/10/2024 09:51:42
Mathematics form 1.indd 114
Mathematics form 1.indd 114 25/10/2024 09:51:42