The answer is False. Tokyo bombing didn't bring the war to an end. It was the bombings in Hiroshima and Nagasaki that caused the capitulation of the Japanese army which was signed by Emperor Hirohito.
Start of by writing 7x+1=50. Subtract 1 from both sides. You will get 50-1=49. Then you have 7x=49. Divide 7 on both sides. 7x/7. 49/7=7. X=7. Therefore x=7. Check your answer by plugging 7 into x. 7(7)=49+1=50. The answer checks out!