Solve the following system of equations. Enter the y-coordinate of the solution. Round your answer to the nearest tenth 5x+2y=7

Question

attashe74 [19]

3 years ago

15

Solve the following system of equations. Enter the y-coordinate of the solution. Round your answer to the nearest tenth 5x+2y=7

-2x+6y=9 is it (0.7,1.7)??

Mathematics

2 answers:

Igoryamba · Answer 1 · 2021-12-12T18:59:52+03:00

Igoryamba3 years ago

7 0

I got a 2 fractions for the answer the first is 12/17 and the second is 59/34

gulaghasi [49] · Answer 2 · 2021-12-12T21:26:43+03:00

gulaghasi [49]3 years ago

4 0

5x + 2y = 7....multiply by 2
-2x + 6y = 9 ....multiply by 5
---------------
10x + 4y = 14 (result of multiplying by 2)
-10x + 30y = 45 (result of multiplying by 5)
--------------add
34y = 59
y = 59/34 = 1.7 <===