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Andrej [43]
3 years ago
5

Solve. 3(4 - x) = 12 - 3x

Mathematics
2 answers:
poizon [28]3 years ago
6 0
The answer is B, all real number
inysia [295]3 years ago
6 0

How to get answer/Answer by mimiwhatsup:

12-3x=12-3x\\\mathrm{Subtract\:}12\mathrm{\:from\:both\:sides}\\12-3x-12=12-3x-12\\Simplify\\-3x=-3x\\\mathrm{Add\:}3x\mathrm{\:to\:both\:sides}\\-3x+3x=-3x+3x\\Simplify\\Both\:sides\:are\:equal\\

Answer: B) all real numbers

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The table represents a linear equation.which equation shows how (-10,8) can be used to write the equation of this line is point-
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Answer:

\large\boxed{y-8=-0.2(x+10)}

Step-by-step explanation:

The point-slope form of an equation of a line:

y-y_1=m(x-x_1)

m - slope

(x₁, y₁) - point

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

From the table we have the points (-10, 8) and (10, 4). Substitute:

m=\dfrac{4-8}{10-(-10)}=\dfrac{-4}{20}=-\dfrac{1}{5}=-0.2

The equation of a line:

y-8=-0.2(x-(-10))\\\\y-8=-0.2(x+10)

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Answer:

\boxed{x=0}

Step-by-step explanation:

8x+4=3(x-1)+7

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