Question

A furniture store sells dining chairs individually or in equal sets. Last week, Michelle and Andrea

each sold the same number of dining chairs. The store manager used the equation below to
determine how many chairs Michelle and Andrea each sold.
10x + 5= 8x + 17

Answer 1

or,10x=8x+17-5

or,10x=8x+12

or,10x-8x=12

or,2x=12

or,x=12÷2

or,x=6