bunnybuge4
07.07.2019 •
Mathematics
1. 1 added to 3 times a number is equal to9 less than 4 time the number? 2. 7 more than 2 times a number is equal to 3 times the number?
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Ответ:
1+3x = 4x-9
add 9 to each side: 10+3x = 4x
subtract 3x from each side: 10 = x
7+2x = 3x
subtract 2x from each side: 7 = x
Ответ:
I believe the answer is: Prices for goods and services increased, and a dollar bought less than it previously had
In the 1970s, united states was experiencing a period of economic stagnation which later known as called the great inflation of the 1970s.
During this period, the number of unemployment skyrocketed and the value of our currency fall dramatically, which caused an increase in overall products and less amount of products it can obtain with previously same amount.