jaidenford72 jaidenford72

22-03-2021
Mathematics

contestada

Solve these simultaneous equations:

2x + 4y = 38

7x - 4y =7

Respuesta :

ffatimaa2 ffatimaa2

22-03-2021

Answer:

Step-by-step explanation:

Answer Link

mariamhatem6 mariamhatem6

22-03-2021

Answer:

x=5, y=7

Step-by-step explanation:

2x+4y= 38

+7x-4y= 7

9x= 45

9x/9= 45/9

x=5

2x+4y=38

2(5)+4y= 38

10+4y= 38

-10 -10

4y= 28

4y/4= 28/4

y=7

Answer Link

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