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anselmojohn4370
29.06.2019 •
Mathematics
There are a total of 36 cards in aleera’s collection. the number of baseball cards is 6 less than twice the number of football cards. the equation below represents the situation, where x represents the number of football cards. x+(2x-6)=36 how many baseball cards does aleera have?
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Ответ:
14
Step-by-step explanation:
All we need to do is to find x
x + (2x - 6) = 36
we expand the bracket first,
x + 2x - 6 = 36
Then we collect the like terms;
x + 2x = 36 + 6
3x = 42
We divide bothside of the equation by 3 to get our x
3x/3 = 42/3
x = 14
Therefore Aleera is having 14 baseball cards.
Ответ:
Step-by-step explanation:
mx+21/2 = 10 // - 10
x+21/2-10 = 0
x+1/2 = 0 // - 1/2
x = -1/2
x = -1/2