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alanaaa alanaaa
  • 24-03-2015
  • Mathematics
Answered

solve 0.7x-2<5.5 and graph the solution on a number line

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Since3122015
Since3122015 Since3122015
  • 25-03-2015

\(0.7x-2<5.5\\0.7x-2+2<5.5+2\\0.7x<7.5\\\frac{0.7x}{0.7}<\frac{7.5}{0.7}\\x<\frac{\frac{15}{2}}{\frac{7}{10}}\\x<\frac{15}{2}*\frac{10}{7}\\x<\frac{15}{1}*\frac{5}{7}\\x<\frac{75}{7}\)

x < (75/7)

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