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elena-14-01-66 [18.8K]
3 years ago
15

Solve the system using substitution. -2x+5y=19 3x-4=y

Mathematics
1 answer:
omeli [17]3 years ago
4 0

Answer:

answer is x=3 and y=5.... so it is (3,5)

Step-by-step explanation:

you want to combine them so y=3x-4 so subsitute y

-2x+5(3x-4)=19

-2x+15x-20=19

            +20   +20

13x=39

---    ---

13     13

x=3

now subsitute 3 into x into any problem...

3(3)-4=y

9-4=y

and 9-4 is 5 so it is...

(3,5)

pls give me brainliest

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Read 2 more answers
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