Which sentence is correctly written?
a) an important element of tragedy is the origin of the sorrowful outcome that according to the classical prescription, which must be mistaken by the protagonist.
b) an important element of tragedy is the origin of the sorrowful outcome, according to the classical prescription, must be a mistake by the protagonist.
c) an important element of tragedy is the origin of the sorrowful outcome, which, according to the classical prescription, must be a mistake by the protagonist.
d) an important element of tragedy is the origin of the sorrowful outcome, that according to the classical prescription which must be mistaken by the protagonist.

c. an important element of tragedy is the origin of the sorrowful outcome, which, according to the classical prescription, must be a mistake by the protagonist.

x=4, y=4

step-by-step explanation:

y=2x-4;

x+2y=12

we can use substitution since the first equation is solved for y

where ever you see y in the second equation, replace it with 2x-4

x + 2(2x-4) = 12

distribute the 2

x+4x-8 = 12

combine like terms

5x-8=12

add 8 to each side

5x-8+8=12+8

5x=20

divide by 5

5x/5 = 20/5

x =4

we still need to solve for y

y = 2x-4

we know x =4

y = 2(4) -4

y = 8-4

y=4

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