Question

Cost of Mathematics text book is Rs. 10 less th
ematics text book is Rs. 10 less than twice of cost of English
text book. Write this in linear equation form.
Find the roots of the​

Answer 1

2x-y-20=0. or

2x-y-10=0

Step-by-step explanation:

let the cost of. English book be x

cost of matics book = 2x-10

cost of mathematics book be y

according to the given cost of mathematics book is 2x-20

2x-20 =y

2x-y-20=0

or

cost of matics book be y

2x-10 =y

2x-y-10=0