Knowledgle

Mathematics · True or False?

The solution to 4x + 3 = 27 is x = 5

The answer is False.

Explanation

Subtracting 3 from both sides gives 4x = 24, and dividing both sides by 4 gives x = 6. The proposed solution does not work: 4 × 5 + 3 = 23, not 27.

Play the Mathematics quiz Or try today's daily challenge