Drag each equation to show if it could be a correct first step to solving the equation

Mathematics

1 answer:

forsale [732]4 years ago

5 0

Answer:

(2 · x) + (2 · 7) = 36
x + 7 = 18
2x + 14 = 36

2x + 7 = 36
2(x + 7) = 72
x + 14 = 36

Step-by-step explanation:

It is appropriate to eliminate parentheses as a first step. This can be done using the distributive property, resulting in either of ...

2x +2·7 = 36
2x +14 = 36 . . . . . 2·7 evaluated mentally

or by dividing the equation by the factor outside parentheses, resulting in ...

x + 7 = 18

___

Any of the equations other than these represent violations of the equal sign. Something has been done to one side of the equation without the same thing being done to the other side.

You might be interested in

"The major disadvantage of crude rates is that:

Tpy6a [65]

Answer:

<h3>The option D) All of the above is correct</h3><h3>The major disadvantage of crude rates is that:</h3>

They may not allow for comparison of populations that differ
They do not permit comparisons of populations that vary in age distribution.
They are difficult to calculate from available data sources.

Hence options A ,B and C are correct

Step-by-step explanation:

Given that crude rate

To find the disadvantage of crude rate :

A crude rate is the number of new cases (or deaths) occurring in a specified $\frac{population}{year}$ , it can be expressed as the number of cases per 100,000 population at risk.