The greatest number of side dishes they can buy is 5, as per linear equation.
"A linear equation is an equation in which the highest power of the variable is always 1. It is also known as a one-degree equation."
The family has $35 to spend on dinner.
They spend $18 on entrees.
Therefore, they are left with $(35 - 18) = $17.
Side dishes are $3 each.
Therefore, the most number of side dishes they can buy is
($17/$3)
= 5.67
≈ 5
Learn more about linear equation here: https://brainly.com/question/14925706
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