Lemma
MediumLinear equations
OpenStax, Prealgebra 2e §8.1 Solve Equations Using the Subtraction and Addition Properties of Equality · Exercise 67 · Algebra · Linear equations

Solve Equations Using the Subtraction and Addition Properties of Equality · Exercise 67

Write a word sentence that translates the equation and then make up an application that uses this equation in its solution.

This is an open-ended exercise: its source gives no single answer.

~8 minWritten answer · compare with the solution

OpenStax, Prealgebra 2e · §8.1 Solve Equations Using the Subtraction and Addition Properties of Equality · Exercise 67

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.