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3 years ago

5) Solve the equation -3(-7 - x) = (x + 2). please help!!

Mathematics

1 answer:

Anton [14]3 years ago

8 0

Answer:

x = -19/2

Step-by-step explanation:

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Perform the indicated operation. Show all necessary work.

densk [106]

The subtraction of a negative number is the same as addition of the

positive equivalent of the number.

The outputs of the operations are;

(a) -2 - (-9) = 7

(b) -2 - 9 = -11

Reasons:

(a) The operation is -2 - (-9)

Which is the subtraction of negative 9 from negative 2, which gives, a double negative, which is equivalent to a positive, therefore, we get;

-2 - (-9) = -2 + 9 = 7

(b) The operation is -2 - 9

The above operation is the subtraction of +9 from negative 2, which gives;

-2 - 9 = -11

The above operation is the subtraction of negative 9, and negative 2 from

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positive(s) increases, as follows;

-2 - (-9) - (-2) = -2 + 9 + 2 = 9

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3 years ago

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BDE are the three that are linear and give a straight line when graphed. The others do not. There's a whole mixture of things in the other answers. They are plotted for you here.
The red one is a hyperbola
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3 years ago

5) Solve the equation -3(-7 - x) = (x + 2). please help!!​

5) Solve the equation -3(-7 - x) = (x + 2). please help!!