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FromTheMoon [43]

2 years ago

7

Determine equation (help please )

1 answer:

kotykmax [81]2 years ago

6 0

Answer: C

Step-by-step explanation:

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kirill115 [55]

How to get answer:

$Expand -2\left(x+13\right)+9x:\quad 7x-26\\Expand -2\left(x+13\right):\quad -2x-26\\\\=-2x-26+9x\\Simplify -2x-26+9x:\quad 7x-26\\7x-26=4\\\mathrm{Add\:}26\mathrm{\:to\:both\:sides}\\7x-26+26=4+26\\\mathrm{Simplify}\\7x=30\\\\\mathrm{Divide\:both\:sides\:by\:}7\\\frac{7x}{7}=\frac{30}{7}\\Simplify\\x=\frac{30}{7}$

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rewona [7]

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castortr0y [4]

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