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Solve -9.4 Σ 1.7x + 4.2.Ox4 -8Ο χ 48Ox2-8Ο χ 2 8
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Solve -9.4 Σ 1.7x + 4.2.Ox4 -8Ο χ 48Ox2-8Ο χ 2 8

User Connor Tumbleson
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\begin{gathered} -9.4\ge1.7x+4.2 \\ \Rightarrow1.7x+4.2\leq-9.4 \\ \Rightarrow1.7x\leq-9.4-4.2=-13.6 \\ \Rightarrow x\leq(-13.6)/(1.7) \\ \Rightarrow x\leq-8 \end{gathered}

User Suresh Sharma
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