Find x if x/7 - x/4 = -3
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Answer:
x = 28
Step-by-step explanation:
x/7 - x/4 = -3
4x/28 - 7x/28 = -3
-3x/28 = -3
-3x = -3×28
-3x = -84
x = -84/-3
x = 28
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