Write as an equation and solve :
1. A number decreased by 9 is 18.
2. A number increased by 5 is 15.
3. Eight less than the number is 31.
4. Six times the number is 54. 5.If a number is divided by 3, the result is 18.
6. The product of 9 and a number equals 63.
7. 6 less than a number equals - 4
8. The number divided by 6 equals 7.
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Answer:
x-9=18
x+5=15
8-x=31
6x=54
x/3=18
9x=63
6-x= - 4
x/6=7
Step-by-step explanation:
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