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OpenStudy (anonymous):
simplified a variable expression as much as possible 2x +7-4x-8 ( I got 2x-1)
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OpenStudy (anonymous):
its actually -2x-1 and if im not mistaken you can multiply the entire thing by a negative so you get 2x+1
OpenStudy (dobby1):
2x+7-4x-8 you first combine the numbers with x next to them giving you -2x+7-8
OpenStudy (hesan):
answer is -2x -1 beacuse as u add 2x and - 4x the result will be -2x not + 2x
OpenStudy (cggurumanjunath):
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