In order to solve the following system of equations by subtraction what of the following could you do before subtracting the equations so that one variable will be eliminated when you subtract them

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

What is the solution set of the quadratic inequality x^2-5< or equal to 0

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers?