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26-04-2020
Mathematics

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Use substitution to solve the following system of equation s 4y-3= 22 and y=2x-2

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Anisatunizzati Anisatunizzati

26-04-2020

Answer:

x = 33/8

y = 25/4

Step-by-step explanation:

4y - 3 = 22

y = 2x - 2

4y - 3 = 22

4y - 3 - 22 = 0

4y - 25 = 0

4(2x - 2) - 25 = 0

8x - 8 - 25 = 0

8x - 33 = 0

8x = 33

x = 33/8

y = 2x - 2

y = 2(33/8) - 2

y = 33/4 - 2

y = 33/4 - 8/4

y = 25/4

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