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02-04-2022
Mathematics

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Find the solution of the system of equations.
-
5x – 4y = -9
10x– 7y = -22

Respuesta :

zhiwenc12 zhiwenc12

02-04-2022

Answer:

x = -5

y = -4

Step-by-step explanation:

5x - 4y = -9

10x - 8y = -18

10x - 7y = -22

-y = 4

y = -4

Substitue y into any equation

5x - (-16) = -9

5x = -25

x = -5

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© Factorise completely 15z^2-9z -