Create your own system of equations word problem. Please answer with full step explanation to how you got it thank you :)

mj thinks of a number. she adds 2 to the number then multiples the result by 3. The answer is the same as adding 5 to the number them multiplying by 2

my number is d

3 (d×2) = 2 (d+5)

3×d + 3×2 = 2×d + 2×5

3d + 6 = 2d + 10

3d +6 -6 -2d = 2d - 10 - 6

3d - 2d = 10 - 6

d = 4

the square root of what number? if you add that, then someone will probably answer the question.