Please help me on this

substitute y = 2x - 4 to x + 2y = 12:

x + 2(2x - 4) = 12     use distributive property

x + (2)(2x) + () = 12

x + 4x - 8 = 12     add 8 to both sides

5x = 20     divide both sides by 5

x = 4

put the value of x to the first equation:

y = 2(4) - 4

y = 8 - 4

y = 4

educational segregation in the us prior to brown.

the members of the u.s. supreme court that on may 17, 1954, ruled unanimously that racial segregation in public schools is unconstitutional.

judgment and order of the supreme court for the case.

u.s. circuit judges robert a. katzmann, damon j.

the u.s. supreme court's decision in brown v. board of education marked a turning point in the history of race relations in the united states. on may 17, 1954, the court stripped away constitutional sanctions for segregation by race, and made equal opportunity in education the law of the land.