Question

- List the solution set of 30 - 4 (2x - 1) < 30, given
that x is a positive integer.
(ICSE)​

Answer 1

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${30-4(2x-1)}<{30}$

${30-(8x-4)}<{30}$

${30-8x+4}<{30}$

${34-8x}<{30}$

${-8x}<{-4}$

➪${8x>4}$

➪${x>0.5}$

${Since x ∈Z}$

The solution set is:${x >=1 ,∀x∈ Z}$

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