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3 years ago

Simplify the expression. -2(7-12)

Mathematics

2 answers:

Sladkaya [172]3 years ago

7 0

-2(7-12)=
-2(-5)=
10 = Answer

mylen [45]3 years ago

6 0

Answer: 10
7 minus 12 is negative 5. Negative 2 times negative 5 is 10.

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Step-by-step explanation:

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just olya [345]

Part A)

Given

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Point (7, 2)

Using the point-slope form of the line equation

$y-y_1=m\left(x-x_1\right)$

where

m is the slope of the line

(x₁, y₁) is the point

In our case:

m = 6

(x₁, y₁) = (7, 2)

substituting the values m = 6 and the point (x₁, y₁) = (7, 2) in the point-slope form of the line equation

$y-y_1=m\left(x-x_1\right)$

$y - 2 = 6(x-7)$

Therefore, the equation in point-slope form for the line having the slope m = 6 and containing the points (7,2) will be:

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Part B)

Given

Slope m = -3

Point (3, 8)

Using the point-slope form of the line equation

$y-y_1=m\left(x-x_1\right)$

where

m is the slope of the line

(x₁, y₁) is the point

In our case:

m = -3

(x₁, y₁) = (3, 8)

substituting the values m = -3 and the point (x₁, y₁) = (3, 8) in the point-slope form of the line equation

$y-y_1=m\left(x-x_1\right)$

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Therefore, the equation in point-slope form for the line having the slope m = -3 and containing the points (3, 8) will be:

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