I am sorry to ask but i really need help.
Combine like terms.
14z – 27z
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jimthompson5910 (jim_thompson5910):
The variable terms are both the same (both have just a single z in them), so you just subtract the coefficients: 14 - 27 = -13
Then you tack on the variable z to get the final answer of -13z
OpenStudy (hamsandwich):
No need to be sorry :p
just subtract 27 from 14 and then put a z at the end.
14 - 27 = z, so it's -13z :D
OpenStudy (anonymous):
Thank you guys alot
OpenStudy (anonymous):
Can you help me with this one is it the same as above
Combine like terms.
8 + 16r – 9r
jimthompson5910 (jim_thompson5910):
which 2 terms are the like terms?
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OpenStudy (anonymous):
16 and 9
jimthompson5910 (jim_thompson5910):
close, but the terms are 16r and -9r
jimthompson5910 (jim_thompson5910):
the coefficients are 16 and -9
so subtract to get: 16 - 9 = 7
that means 16r - 9r = 7r
jimthompson5910 (jim_thompson5910):
meaning 8 + 16r – 9r simplifies to 8 + 7r
OpenStudy (anonymous):
so then 7r+6 and that is 13
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jimthompson5910 (jim_thompson5910):
no you cannot combine 7r and 6 to get 13
OpenStudy (anonymous):
oh it would be 7r+8
jimthompson5910 (jim_thompson5910):
7r and 6 are NOT like terms
OpenStudy (anonymous):
sry i mis typed 6 not 8
jimthompson5910 (jim_thompson5910):
8 + 7r is the same as 7r + 8, so yes
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