Answer
Does not make sense
Work Step by Step
Because 4x + 7 is an expression (and not an equation with an equal sign), it cannot be solved. So asking to solve an expression does not make sense.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.