Question

How do you determine whether a linear system has one solution, many solutions, or no solution when given 2 + y = 2x and y – 2x = 5?

Answer 1

Arrange the equation

Explanation:

`2x=2 + y`

`-2x = 5 - y`

`2x-2x=5+2-y+y`

Therefore, there is no solution because `0≠7`