Ang mga sumusunod ay saklaw ng pag-aaral ng heograpiya maliban sa A. anyong lupa at anyong tubig
B. Klima at panahon
C. Likas na yaman
Reaksyon ng mga kemikal

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