Question

Which is the best approximate solution of the system of linear equations y = 1.5x – 1 and y = 1?

Answer 1

(1.33,1)

Step-by-step explanation: 1 = 1.5x-1

1 + 1 = 1.5x

2=1.5x

2/1.5 = x

1.33 = x

Answer 2

`x=(4)/(3),y=1`

Explanation:

Here we are given with following linear equations

y=1.5x-1

y=1

Now we have to find the solution to the above pair of ewuations.

We will do so by using substitution method.

We will substitute the value of y as 1 in y=1.5x-1

Hence we get

1=1.5x-1

adding 1 on both hand sides we get ,

2=1.5x

multiplying both sides by 2 we get

4 = 2*1.5x

4=3x

Divide both sides by 3

`x=(4)/(3)`

Hence our solution is

`(4)/(3),1`