3 years ago

Solve the system of equations. (HINT: use the elimination method) 7x+4y=2 9x-4y=30

Mathematics

1 answer:

igor_vitrenko [27]3 years ago

4 0

Answer: 7x + 4 y = 2

9x - 4y= 30

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

16x / = 32

x= 32:16

x=2

Step-by-step explanation: 7x+4y=2

7*2 + 4y=2

14 +4y=2

4y= 2-14

4y= -12

y= -12 : 4

y= - 3

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