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sveticcg [70]
3 years ago
14

Solve the system of equation. 5x+2y=7 and -2x+6y=9. Enter the y-coordinate of the solution.

Mathematics
1 answer:
Oliga [24]3 years ago
3 0

Answer:  \bold{y=\dfrac{59}{34}}

<u>Step-by-step explanation:</u>

   5x + 2y = 7   ⇒   2(5x + 2y = 7)   ⇒   10x +  4y  =  14

  -2x + 6y = 9  ⇒   5(-2x + 6y = 9)  ⇒  -10x + 30y = 45

                                                                         34y = 59

                                                                       <u>÷34   </u> <u>÷34 </u>

                                                                             y = 59/34

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