aidankonja3 aidankonja3

23-03-2017
Mathematics

contestada

Solve the system of equations.

5x + y = 9
3x + 2y = 4

Respuesta :

wolf1728 wolf1728

23-03-2017

A) 5x + y = 9
B) 3x + 2y = 4 Multiplying equation A by -2 we get:

A) -10x + -2y = -18 Then adding that to B)
B) 3x + 2y = 4
-7x = -14
x = 2

A) 5 * 2 + y = 9
y = -1

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CosmicMango33 CosmicMango33

06-11-2018

"(2,-1)". I just took the test.

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