Yes.
In algebra, as the multiplication symbol (×) looks very much like an x, it is not written and any two items written next to each other are multiplied together. With 8n this means 8 times n, and n is used to represent a number; thus 8n does indeed mean multiply a number by 8.
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We'll use "n" to represent "number." First, "eight times a number" means the number is multiplied by eight. 8n Then, seven is added to 8n. 8n + 7 Also, you can display it like this if it helps: (8 x n) + 7
x divided by8
48divided by8 = 6
let n = number; then 8n squared = 96n and thus 8n = 96 and n = 12
8n + 3 = -29 8n = -32 n = -4