Question

What is the best approximate solution of the system of linear equations y=1.5x-1 and y=1

Answer 1

If there is a solution, y=y so we can say:

1.5x-1=1 add 1 to both sides

1.5x=2 divide both sides by 1.5

x=2/1.5

x=4/3 (exact)

x=1 1/3 (exact)

x≈1.33 (to nearest hundredth of a unit)