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15 votes
Y = 4x
y=19 - x
Solve the system of equations

1 Answer

3 votes

Answer:

x = 3.8

y = 15.2

Explanation:

y = 4x

y = 19 - x,

if y = y then,

4x = 19 - x

5x = 19

x = 19/5 = 3.8 now inputting the answer to x into one of the unchanged equations above (y = 4x),

y = 4x = 4*3.8 = 15.2

Double check:

y = 19 - x = 19 - 3.8 = 15.2

User Jensky
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