MATHEMATICS · Multi-part · US High School · Algebra 1 · Linear Equations & Systems · Linear Equations & Systems
Problem
Let k be a non-zero integer. The linear equation (k+3)x−2k=5(k−1) is given.
(i) Solve the equation to express x in terms of k.
(ii) Find the value of x when k=2.
(iii) For what value(s) of k does the equation have the solution x=3? Show your calculation.