It is: 13+x+7x or as 13+8x
X+-7
When a natural number is multiplied by 1,000, the product is
12.5 - 0.32 + C x B
6
10 + 5x = 505x = 40x = 8
2p + 7
24
17x+(1+x)
If the number is n, and the product is of the numbers p and q, the expression is p*q + (n + 15) : the parentheses are not necessary.
It is when the answer, when 2 things are multiplied, is the same as when they are added. For instance, 2*2=2+2
(4 x 4) + (2 x 5)
X+-7
10 + n
Someone needed something to fit in between 12 and 14. The number thirteen came about when people realized that something had to come between twelve and fourteen. When they added 3 + 10 or 8 + 5, they needed a number to result. Hence: thirteen.
-5 x 3 + 2 = -13
h 14
36 + n