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3 years ago

(15P) PLEASE HELP ME ASAP NEED HELP!

Mathematics

1 answer:

olya-2409 [2.1K]3 years ago

7 0

Answer:

x=7

y=2

Step-by-step explanation:

10 + 2x = -2y ➡y = -5-x

replace y with -5-x in the first equation

-5-x-x = 9➡ -2x-5 = 9 ➡-2x = 9+5 ➡ x = -7

now use this information to find value of y

y - (-7)=9 ➡y = 2

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