Seudónimo Seudónimo

22-05-2022
Mathematics

contestada

If (5,k) is a solution of the equation 2x+y=-7=0, Find the value of k.

If 5k is a solution of the equation 2xy70 Find the value of k class=

Respuesta :

Аноним Аноним

22-05-2022

k = -3

Step-by-step explanation:

2x + y - 7 = 0

2x + y + k - 7 = 0

10 + k - 7 = 0

3 + k = 0

k = -3

Answer Link

Аноним Аноним

22-05-2022

Answer:

k = -17

Step-by-step explanation:

Substitute the solution (5, k) into the equation :

2x + y = -7 = 0
2x + y + 7 = 0
2(5) + k + 7 = 0
17 + k = 0
k = -17

Answer Link

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