alexisfields02 alexisfields02

09-09-2020
Mathematics

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If 2x + y = 10, and 3x - y = 0, then y = ?

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

09-09-2020

Answer:

y = 6

Step-by-step explanation:

2x + y = 10, and 3x - y = 0

We will use elimination

2x + y = 10

3x - y = 0

-----------------------

5x +0y = 10

5x = 10

Divide by 5

5x/5 = 10/5

x =2

3x - y = 0

3*2 -y = 0

6-y =0

Add y to each side

6 = y

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