Answer:
x = 8 +
or x = 8 − 
Step-by-step explanation:
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Answer:
the difference is 1 and 4
Step-by-step explanation:
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Answer:
i would reword this to 6x+7=61
Step-by-step explanation:
So.
move the 7 to the right side of the equation but as an opposite number so in this case its gonna be a negative
61-7=54
then you divide the number and get your missing numbers
54/6=9
d=9
plug it in
6(9)+7=61
10000:100*11=1100 income per year
21000-10000=11000 need to have income
11000:1100=10 years will pass time