Grade 7 · Expressions and Equations

CCSS.MATH.CONTENT.7.EE.B.4a

Solve word problems leading to equations of the form px + q = r and p(x + q) = r, where p, q, and r are specific rational numbers. Solve equations of these forms fluently. Compare an algebraic solution to an arithmetic solution, identifying the sequence of the operations used in each approach.

Read this standard on the official Common Core site

Lessons that teach this standard

• How to Solve Two-Step Equations

  Solve two-step equations by undoing addition first and multiplication second, with worked examples, common mistakes, and practice problems with full solutions.