Essay

Verifying the Solution to a Linear Equation

Verify whether x=18x = 18 is a solution to 9x−5−8x−6=79x - 5 - 8x - 6 = 7. Write a brief essay explaining the substitution check: replace each xx with 18, show the arithmetic on the left side step by step, and state how the final comparison confirms or rejects the proposed solution.

0

1

Updated 2026-09-17

Contributors are:

Who are from:

Tags

OpenStax

Elementary Algebra @ OpenStax

Ch.2 Solving Linear Equations and Inequalities - Elementary Algebra @ OpenStax

Algebra

Math

Prealgebra

Recall in Bloom's Taxonomy

Related