NC.6.EE.7
Solve real-world and mathematical problems by writing and solving equations of the form: • 𝑥 + 𝑝 = 𝑞 in which 𝑝, 𝑞 and 𝑥 are all nonnegative rational numbers; and, • 𝑝 ∙ 𝑥 = 𝑞 for cases in which 𝑝, 𝑞 and 𝑥 are all nonnegative rational numbers.