Question

15/4-7x=9 solve the equation
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Answer 1

Step-by-step explanation:

15/4-7x=9

15=9(4-7x)

15=36-28x

28x=36-15

28x=21

x=21/28

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Answer 2

Answer:

$x = \frac{ - 3}{4}$

Step-by-step explanation:

$\frac{15}{4} - 7x = 9 \\ - 7x = 9 - \frac{15}{4} \\ - 7x = \frac{36 - 15}{4} \\ - 7x = \frac{21}{4} \\ x = \frac{21}{4} \div \frac{ - 7}{1} \\ x = \frac{21}{4} \times \frac{1}{ - 7} \\ x = \frac{3}{ - 4} \\ x = \frac{ - 3}{4}$