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Solve −12 < (4-3x)/-5 <2, x ∈ R and represent the solution on the number line. - Mathematics

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प्रश्न

Solve −12 < `(4-3x)/-5 <2, x ∈ R` and represent the solution on the number line.

योग
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उत्तर

−12 < `(4-3x)/-5 <2, x ∈ R`

Multiply the entire inequality by 5

−12 < `(4-3x)/-5 <2`

⇒ ​60 > 4 − 3x > −10

−10 < 4 − 3x < 60

Subtract 4 from all parts

−10 − 4 < 4 − 3x − 4 < 60 − 4

⇒ −14 < −3x < 56

Divide by −3

`(-14)/-3 > x > 56/-3`

`(14)/3 > x > -56/3`

x ∈ `(-56/3, 14/3)`

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अध्याय 4: Linear inequations - Chapter Test [पृष्ठ ५५]

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नूतन Mathematics [English] Class 10 ICSE
अध्याय 4 Linear inequations
Chapter Test | Q 2. | पृष्ठ ५५
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