Solve the following system of equations. enter the y-coordinate of the solution. round your answer to the nearest tenth. 5x+2y=7 -2x+6=9

y = 1.7

Step-by-step explanation:

Given  : 5x+2y=7  and - 2x+6=9.

To find : Solve the following system of equations. Enter the y-coordinate of the solution. Round your answer to the nearest tenth.

Solution : We have given

5x + 2y = 7 --------(1)

- 2x + 6y = 9 -------(2).

To make the y coefficient same multiply the equation 1 by 3.

15 x + 6y = 21 .

(+)-2x +(-) 6y = (-)9 .

______________ ( On subtracting both the equations )

17 x + 0  = 12 .

17 x = 12 .

On dividing both sides by 17

x = .

x = 0.705

Plug x = 0.705 in equation 2 .

- 2 ( 0.705) + 6y = 9.

-1.41 + 6y = 9 .

On adding both sides by 1.41.

6y = 9 + 1.41

6 y = 10. 41

On dividing both sides by 6.

y =  .

y = 1.735.

Nearest tenth = 1.7

Therefore,  y = 1.7.

the answer is d

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