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x / 5 = (3x - 4) / 7

When solving equations with one rational expression on both sides, cross multiply.

5(3x - 4) = 7x

15x - 20 = 7x

8x - 20 = 0

8x = 20

x = 5 / 2

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15y ago
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Q: How do you sulve x over 5 equals 3x minus 4 over 7?
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