needhelpbadly
needhelpbadly
01-01-2017
Mathematics
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Find the value of 7-2x when x=-3
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Porshia
Porshia
01-01-2017
Substitute in the -3
7-2(-3)
According to PEMDAS (parentheses, exponents, multiply, divide, add, subtract ) you must multiply, and then subtract.
7- (-6)
7 + 6= 13
Answer is 13
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Serena88
Serena88
01-01-2017
This is the answer: 7-2x when X=3 is 13.
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