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# What is the value of x if 7-9x=11

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What is the value of x if 7-9x=11

Jan 4, 2022

#1
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$$7-9x=11 \mbox{ }| -7 \\ -9x=4 \mbox{ }| :(-9) \\ \frac{-9x}{-9} = \frac{4}{-9} \\ x = \frac{4}{-9} \mbox{ }| \cdot (-1) \\ x = \frac{-4}{9} = -0.\overline4$$

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Jan 4, 2022
#2
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$$7-9x=11$$

$$7=11+9x$$

$$-4=9x$$

$$9x=-4$$

$$x=\frac{-4}{9}$$

$$x = -\frac{4}{9}$$

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Jan 4, 2022