Choose the answer.
The sum of 1 and 3 times a number is 22. Write and solve an equation to determine the number. Select the solution and graph that represents the number.
Question 2 options:
x = 4
Number line graph of x equals 4.
x = 6
Number line graph of x equals 6.
x = 7
Number line graph of x equals 7.
x = 9
Number line graph of x equals 9.
x = 7
Number line graph of x equals 7.