camora7 camora7

23-09-2020
Mathematics

contestada

3. Is the ordered pair (-1, 7) a solution to the equation 7x + y = y- 7? Show
your work.

Respuesta :

RedFlare2705 RedFlare2705

24-09-2020

Answer:

Yes

Step-by-step explanation:

substitute the ordered pair into ya equation.

7x + y = y - 7; (-1,7)

7(-1) + 7 = 7 -7

multiply 7 and -1, add 7 and -7

-7 + 7 = 0

add -7 and 7

0 = 0.

So yes, the ordered pair (-1, 7) works in this equation

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