edboi21
edboi21
24-02-2016
Mathematics
contestada
Is 8 a solution to 1/2x+9=13? Explain
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yourfavvmelanie
yourfavvmelanie
24-02-2016
yes 8 is a solution. this is because when replacing 8 with x on a calculator you do 1/2x8+9 and it will give you an answer of 13
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cactussky
cactussky
24-02-2016
Yes, because there is exactly one value of x.
first, you can add -9 to both sides to cancel out the 9, which leaves you with the equation 1/2x = 4
then, simply divide both by 1/2 and you get 8.
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