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artcher [175]
3 years ago
10

Which step should be taken to isolate the variable in the following equation? LaTeX: 7d\:=\:497 d = 49 Group of answer choices A

. Add 7 to both sides of the equation B. Subtract 7 from both sides of the equation C. Multiply both sides of the equation by 7. D. Divide both sides of the equation by 7.
Mathematics
1 answer:
inysia [295]3 years ago
3 0

Answer:

D. Divide both sides of the equation by 7.

Step-by-step explanation:

Given expression:

7d=49

To determine the step used to isolate the variable in the above equation.

Step:

In order to isolate d in the above equation we would divide both sides of the equation by 7. By doing this the 7 on the left side would cancel out isolating d.

The step is done as follows:

7d=49

Dividing both sides of te equation by 7.

\frac{7d}{7}=\frac{49}{7}

∴ d=7

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The ratio of tables that are booths to the total number of tables = \frac{72}{108}

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