the solution to the system of equation below is (−2, −1).
2x − 3y = −1
11x − 9y = −13
when the first equation is multiplied by −3, the sum of the two equations is equivalent to 5x = −10.
which system of equations will also have a solution of (−2, −1)?

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

Solve the formula ax+ by = c for x.

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90