Question

Which equation results from adding the equations in this system? Negative 2 x + y = 8. 5 x minus y = negative 5.

Answer 1

Answer:

3x = 13.5

Step-by-step explanation:

2x + y = 8.5. ----------- ( 1 )

x. - y = -5. ‐-------------( 2 )

Adding equation ( 1 ) and equation ( 2 )

we have,

2x + x + y - y = 8.5 + ( - 5 )

3x + 0 = 8.5 - 5

3x = 3.5