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OpenStudy (johnnewman):
Simplify. –3 ∙ 5 – 7 ∙ 4 A. –43 B. –13 C. 13 D. 43
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rebeccaxhawaii (rebeccaxhawaii):
use PEMDAS
rebeccaxhawaii (rebeccaxhawaii):
so first multiply both then subtract the two
OpenStudy (purple_pink):
use a calculator
OpenStudy (purple_pink):
so use PEMDAS -3 x 5 = ? 7 x 4 = ? Find the answers to those and subtract.
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OpenStudy (anonymous):
just use pemdas
OpenStudy (anonymous):
-3 x 5=? -7 x 4=? then -? -? =
OpenStudy (purple_pink):
-3 x 5 = 15 7 x 4 = 28 28 - 15 = 13 Your answer is C. 13 Click best response if i helped! --------------------------^^^
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