SOLUTION: Hi, I come across a math problem that I cannot solve. -15≤4x-8≤-7 {x|__≤x≤__}

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Question 513454: Hi, I come across a math problem that I cannot solve.
-15≤4x-8≤-7
{x|__≤x≤__}
Answer by umail08(87) About Me  (Show Source):
You can put this solution on YOUR website!
-15≤4x-8≤-7
{x|__≤x≤__}
-15 + 8 < 4x – 8 + 8 < -7 +8
-7 < 4x < 1
-7/4 < x < ¼
{x|-7/4≤x≤1/4}