5 x 3 - 2
39
1+3 = 4 but 13 = 1
3 x 13
Yes
54.
864
3 times 13 will equal 39
168
7 times 2 times 3 is equal to 42.
If ten times the number n decreased by 13 is equal to the square of the same number n increased by 3, then the value of n is either 8 or 2.
2 times 3 to the power of 2 is equal to 18.