<u><em>x=-22 is the correct answer.</em></u> First you had to subtract by 15 from both sides of equation, and it gave us, . And then simplify, and it gave us, . Then you divide by -1 from both sides of equation, and it gave us, . And finally simplify, and it gave us the answer is <u><em>x=-22 is the correct answer. </em></u> Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie