Question

Y = 2x – 1
5x – 4y = 1
¿Es (1, 1) una solución del sistema?

Answer 1

Answer: Sí

Explanation:

Answer 2

x=-3 and y=-7

Explanation:

`y = 2x - 1`

`5x - 4y = 1`

Putting the value of y in Equation

`5x - 4(2x - 1) = 1`

`5x - 4x + 4 = 1`

`x + 4 = 1`

`x = - 3`

putting the value of x in y equation

`y = 2x - 1`

`y = 2( - 3) - 1`

`y = ( - 6) - 1`

`y = - 7`