ɪɪ.Direction:write an equation to represent each of the following.
1.the sum of a number and five is twelve.
2.twice a number decreased by six is equal to sixteen
3. if nine is added to the difference of a number and nineteen.The sum is ninety
4.twice the sum of a number and two is twenty-two.
1.the sum of a number and five is twelve.
2.twice a number decreased by six is equal to sixteen
3. if nine is added to the difference of a number and nineteen.The sum is ninety
4.twice the sum of a number and two is twenty-two.
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Answer:
Let all the variables = n (up to you on what letter you're gonna use, but for this, i'll use n muna po as the variable)
1. n + 5 = 12
2. 2n - 6 = 16
3. (n - 19) + 9 = 90
4. 2(n +2) = 22
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