Which choice best identifies the central idea of the first paragraph? a. The stated central idea is that the Union should be dissolved. b. The stated central idea is that Joshua Speed believes slavery is just. c. The implied central idea is that Joshua Speed should abandon slavery, even though it is legal, in order to save the Union. d. The implied central idea is that Lincoln accepts slavery for the sake of the Union, even though he believes slavery is wrong.

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reasoning from several particular examples to establish a general principle

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