One piece of evidence from a voyage

Christopher Columbus

Explanation:

In 1492, Christopher Columbus set out on a voyage to Europe.

Brainliest is greatly appreciated

Answered by: Skylar

5/19/2020

2:59 Pm ( Eastern Time)

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