Solve 5-3x≥x-7, when x belongs to
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5-3x >_x -7
adding -5 in both sides
-3x>_x-7-5
-3x>_ x-12
adding -x in both sides
-4x>_-12
dividing by 4 in both sides
-x>_-3
X<3 ( as when there is minus with X the inequality changes)
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