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Which is an examples of a variable?
23
b
-1/3
1.5
Write as an expression: Welcome the major fans! Sam has 14 jerseys. Enrique has J more jerseys than Sam.
14 + J
J - 14
14 - J
14 x J
Write an expression: The sum of 9, and 4 times a number.
9 + 4 + n
9n + 4
9 x 4 + n
9+4n
Write an expression: The quotient of 2 times a number and 10, plus 14
2 x 10/n + 14
2n /10 + 14
2 x n x 10 + 14
(2/10n) + 14
Which numbers are the like terms in 10a + 5y - 10y + 5
5y and -10y
10a and 10y
There are no like terms
5y and 5
Combine the like terms: 4a - 8 - 2b + 6a +11b -5
10a + 9b - 13
4a + 6a - 2b - 13
2ab + 17ab - 5
10a + 9b - 8
Combine the like terms: 10 x 4n + 16 -2y + 8n x 2 - 20
40n + 16 - 2y + 8n -40
40n - 2y -4
56n - 2y - 4
56n - 14y - 20