the difference of three times a number and 1 is the same as twice the number

Question

translate to a expression

Answer 1

3x-1=2x

3x-2x=+1

x=1

.................

Answer 2

THREE TIMES THE DIFFERENCE OF A NUMBER AND 5 IS THE SAME AS TWICE THE NUMBER DECREACE BY 3. FIND THE NUMBER.

Answer 3

over the past few years the satellite voyager 2 has passed by the planets saturn. Uranus and Neptune, continually updating information about these planets, including the number moons for each. Uranus is now believed to have 13 more moons than Neptune. also Saturn is now believe to have 2 more than twice the number of moons of Neptune. if the total number of moons for these planets is 47, find the number of moons for each planet.(source national space science data cter