sparky1 sparky1

19-01-2015
Mathematics

contestada

What is the answer to 1.2x + 8 < 9.6

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macio06 macio06

19-01-2015

We have such inequality
1.2x+8<9.6 /-8 subtract 8 both sides
1.2x<9.6-8
1.2x<1.6 /:1.2
x<[tex] \frac{16}{10}: \frac{12}{10} \\ x< \frac{16}{10}* \frac{10}{12} \\ x< \frac{16}{12} \\ x<1 \frac{4}{12} \\ x<1 \frac{1}{3} [/tex]

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