If X and Y are both integers different from zero, what is the value of (X + 2Y)?
$$(1)\ X^4=Y^4\ .$$
$$(2)\ X=5\ .$$
The OA is E. Why is E?
Statement (1) tell us that X=Y and statement (2) tell us X=5=Y. So, X+2Y=15. Am I wrong?
$$(1)\ X^4=Y^4\ .$$
$$(2)\ X=5\ .$$
The OA is E. Why is E?
Statement (1) tell us that X=Y and statement (2) tell us X=5=Y. So, X+2Y=15. Am I wrong?
