what equation does this set of algebra tiles represent? combine like terms on each side of the equation. for…

what equation does this set of algebra tiles represent? combine like terms on each side of the equation. for example, write 3 instead of 1 + 1 + 1.
Answer
Explanation:
Step1: Identify left - hand side
The left - hand side has 2 green tiles labeled 'x', which represents $2x$.
Step2: Identify right - hand side
The right - hand side has 18 red tiles labeled '-1', which represents $- 18$.
Answer:
$2x=-18$