Elimination Strategy​

Write a numerical expression that satisfies all of the following conditions. 1.)the only number used in the expression is 5 2.)at least one exponent other than 1 is used 3.)when the expression is evaluated, the answer is greater than 40 and less than 50

Will give brainliest what is the value of x? enter your answer in the box.

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15