Solve.
{2d−e=7d+e=5
use the linear combination method.
the solution is (3, −1) .
the solution is (4, 1).
there is no solution.
there are infinitely many solutions.

What is the value of x in the this question ?

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earned $75 in interest.how much interest will she earn during the following year?

What is the inverse of the function fx = 2x-10