Question

find Z if 15/4-7z=9

Answer 1

Answer:

$\frac{15}{4} - 7x = 9 \\ \frac{15}{4} - 9 = 7x \\ \frac{15 - 36}{4} = 7x \\ \frac{21}{4 \times 7} = x \\ \frac{3}{4} = x$

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