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7. Which of the following mathematical phrase corresponds to "Twenty-five more than a number?
25 + x
b. x+ 25 c. X-25
d. 25 - X
8. Which is the correct mathematical statement of "Three times the difference between a number and three is equ
twenty-one?
3x-
321
b. 3(x-3) = 21
c. 3x+3 = 21
d. 3(3-X) = 21​