SOLUTION: solving inequalities: 1/7 (42x - 21) >9

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Question 58108: solving inequalities:
1/7 (42x - 21) >9
Answer by jai_kos(139) About Me  (Show Source):
You can put this solution on YOUR website!
(1/ 7) * (42x - 21) > 9
Multiply the above equation by 7, we get
(42 x -21) > 9 * 7
42 x – 21 > 63
Add 21 on both sides, we get
42 x - 21 + 21 > 63 + 21
42 x > 84
Divide by 42, we get
x > 84 / 42
x > 2