sat suite question viewer
If satisfies the system of equations above, what is the value of y ?
Explanation
The correct answer is . One method for solving the system of equations for y is to add corresponding sides of the two equations. Adding the left-hand sides gives
, or 4y. Adding the right-hand sides yields
. It follows that
. Finally, dividing both sides of
by 4 yields
or
. Note that 3/2 and 1.5 are examples of ways to enter a correct answer.