Question

Solve the following pairs of linear equations. i. x + y = 14 ; x − y = 4 ii. 0.2x + 0.3y = 1.3 ; 0.4x + 0.5y = 2.3 iii. 3x − y = 3 ; 9x − 3y = 9

Answer 1

i)x=9 y=5

ii)x=2 y=3

iii)true for all values of x such that 3x=y+3