i need help in answering this question for me and show working
twice a certain number ... 2x
9 times the number ... 9x
is subtracted ... 9x-2x = 7x
now finish it off
find each sum or difference 1. -1/2 + 1/3 1. -1/6 2. -1/3 3. 2/3 4. 1/6 I got 2/3 because I added the 2 numerators and got 2 then I kept the LCM as the denominator so I got 2/3. 2. -3 1/5 + -6 1/2 1. -3 2/7 2. -3 7/10 3. -9 2/7 4. -9 7/10 I got number 3
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