book Maths Puzzle Numerical Ability

simplify; present your answer in fractional form; reduce to lowest terms, but do not change improper fractions to mixed numbers; all fractional coefficients must be within parenthe

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book Other Question
write each set in interval notation and graph it?

1. .3X+2.1(X-4)_<_-6.6


2. -5X+1_>_11 or 3X+5>26

hint: _>_ or _<_ is greater than or equal to or less than or equal. I Please help...(a^2)a^1/2