Question

7x-9>2(x+4)
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Answer 1

Distribute the 2, combine like terms and solve.

Answer 2

so you have to muliply 2 into x and 4 right

Answer 3

Yep.

Answer 4

2x+8 right

Answer 5

Correct. Then move all your x terms to one side and your non-x terms to the other side.

Answer 6

(by adding/subtracting)

Answer 7

soit would be 7x-2x>9-8
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Answer 8

7x-2x > 8 + 9 (the 9 was negative on the other side)

Answer 9

7x-9>2(x+4)
x>17/5
5x>17
7x-9>2x+8

Answer 10

so its -9

Answer 11

What is -9?

Answer 12

the answer is 7x-2x>-9+8\[7x-2x \ge-9+8\]

Answer 13

No.

\[7x - 9 \ge 2(x+4)\]\[\implies 7x - 9 \ge 2x + 8\]\[\implies 7x -9 -2x \ge 2x +8 - 2x\]\[\implies 7x - 2x - 9 + 9\ge 8 + 9\]\[\implies 7x - 2x \ge 8 + 9\]\[\implies 5x \ge 17\]\[\implies x \ge \frac{17}{5}\]