Foster’s answer to the question he wrote for Ranger was 7x + (–3), while Ranger’s answer was 7x – 3. They both checked their work by letting x = 5, and they both claim to be correct. Are they both correct? Explain.

Answer:Yes, they are both correct.Step-by-step explanation:Subtracting is the same as adding a negative number.Ranger's answer was 7x-3; this is the same as 7x+(-3).  This means they are both correct.