1. A number increased by nine is fifteen
2. Twice a number is eighteen
3.Four less than a number is twenty.
4. A number divided by six is eight.
5. Twice a number, decreased by twenty-nine, is seven.
6. . Thirty-two is twice a number increased by eight
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Answer:
1. six (6)
2. nine (9)
3. twenty-four (24)
4. forty-eight (48)
5. eighteen (18)
6. twelve (12)
Step-by-step explanation:
1. a number (x) plus 9 = 15.
to get the missing number, you subtract 15 and 9.
2. 18 is a number (x) times 2
you know that 9 x 2 = 18
3. 4 less than a number (x) = 20
so u add twenty and 4 to get that number
4. a number (x) divided by 6 = 8
so u multiply 6 x 8 = 48
5. twice a number (x) decreased by 29 = 7
so you add 29 + 7 = 36 and since its "twice a number"
you divide 36 by 2
6. 32 is twice a number (x) increased by 8.
so u subtract 32 - 8 = 24 and since its "twice a number"
you divide 24 by 2