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Maths Puzzle
Numerical Ability
What would a counterexample be for the question "If 2n + 3 < ,then n is less than or equal to 7"?
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I need help solving
3x + 1 < -2 or 2x + 3 > 5
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I think it is something like:
3x + 1 -1 < -2 - 1 or 2x + 3 - 3 > 5 - 3
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I need more help on these please. you solvers are great!
Can you solvers also tell me if these problems are POLYNOMIALS, LINEAR, PARABOLA, TRINOMIALS, BINOMIALS, QUADRATIC EQUATI