Question

the weight of a book is 2 kg less than 3 times the weight of another book. express the above statement in the form of an equation in two variables.hence,find four solutions for the equation?​

Answer 1

Answer:

We can start with assuming weight of book = x units

weight of the notebook = y units

It says weight of book is three times weight of note book

that means x is three times of y

x = 3y

Now to write in proper equation form let us subtract 3y from both sides

x- 3y = 3y-3y

we know two same terms of opposite sign cancel out resulting a "0"

so right side becomes a 0

it becomes x- 3y = 0

Answer : x- 3y = 0

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