Solve the following inequation, write the solution set and represent
it on the number line :
-3(x–7) > 15 –7x > x-1, x e R.
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Answer:
-3x+21>15-7x 15-7x>x-1
-3x+7x>15-21 15+1>x+7x
4x>-6 16>8x
x>-6/4 2>x
x>-1.5
-1.5<x<2
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