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OpenStudy (anonymous):
Simplify 7x - 4 - (2x + 1). A. 5x - 3 B. 5x - 5 C. 9x - 5 D. 9x - 3
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OpenStudy (anonymous):
You just have to combine like terms. 7x - 2x = 5x and -4 + 1 = -3 so your answer is 5x- 3
OpenStudy (goldphenoix):
Nope. You did it wrong.
OpenStudy (anonymous):
Oh yeah. It's 5x - 5 sorry :/
OpenStudy (goldphenoix):
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OpenStudy (goldphenoix):
If you are subtracting a parenthesis, just remember that there's an invisible 1 next to the parenthesis. :)
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OpenStudy (anonymous):
yeah… thats embarrassing :/
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