Why do portuguese speakers worldwide refer more to brazilian portuguese than to european portuguese?

a. the united nations has specified that this be the definitive version.
b. it's easier for english-speaking people to understand.
c. brazil is more respected in the world.
d. it's the version that china prefers for easier trade.

To solve this system of equations by elimination, what operation could be used to eliminate the y-variable and find the value of x? 6x + 5y = 2 4x + 2y = 8 a) subtract 2 times the second equation from 3 times the first equation b) subtract 3 times the second equation from 2 times the first equation c) subtract 5 times the second equation from 2 times the first equation d) subtract 2 times the second equation from 5 times the first equation