What is 7x>21\lor 6x-9<21 ?

The solution to 7x>21\lor 6x-9<21 is True for all x

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7x>21\lor 6x-9<21

7 x > 21 or 6 x - 9 < 21

True for all x

Interval Notation

(- \infty, \infty)

Solution steps

7 x > 21 or 6 x - 9 < 21

7 x > 21 : x > 3

6 x - 9 < 21 : x < 5

Combine the intervals

x > 3 or x < 5

Merge Overlapping Intervals

True for all x

2 x^{2} + 11 x = 6

(3 n + 1)^{2} + 6 (3 n + 1) - 7 = 0

- 7.4 = - 2.5 + x

(- 1)^{1}

\frac{\frac{y}{2} - \frac{1}{x}}{\frac{6 y}{x}}