2 years ago

Solve each inequality

Mathematics

1 answer:

forsale [732]2 years ago

4 0

Answer:

x > -2
n ≤ -2 or n ≥ 8

Step-by-step explanation:

Add 7x-2 to both sides and collect terms.

2x +2 -6x +7x -2 > -4 -7x +7x -2

3x > -6

x > -2 . . . . . . . divide by 3

Solve these one at a time, and form the union of the answers.

1 +7n ≤ 15 . . . .given

7n ≤ 14 . . . . . . subtract 1

n ≤ 2 . . . . . . . divide by 7

-2n -2 ≤ -18 . . . given

-2n ≤ -16 . . . . . add 2

n ≥ 8 . . . . . . . . divide by -2

The solution is n ≤ -2 or n ≥ 8.

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