daisymolina34 daisymolina34

29-06-2016
Mathematics

contestada

What is the solution to the system of equations?

y = 2x – 3.5

x – 2y = –14

(–7, 3.5)
(3.5, –7)
(7, 10.5)
(10.5, 7)

Respuesta :

nobillionaireNobley nobillionaireNobley

01-07-2016

Putting the first equation into the second equation, we have
x - 2(2x - 3.5) = -14
x - 4x + 7 = -14
-3x = -21
x = 7
y = 2(7) - 3.5 = 14 - 3.5 = 10.5
Therefore the solution is (7, 10.5)

Answer Link

allie003 allie003

03-02-2021

Answer:

C~(7, 10.5)

Step-by-step explanation:

I just took the test..

Answer Link

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