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kotykmax [81]
3 years ago
15

Solve for x: 5x + 2 = 4x - 9. 07 O-7 O 11 0-11

Mathematics
2 answers:
docker41 [41]3 years ago
7 0

Answer: answer is -11

Step-by-step explanation:

5x+2 = 4x -9

Make x the subject of formula

5x - 4x = -9 - 2

x= -11

Talja [164]3 years ago
5 0

Answer:

X = -11

Step-by-step explanation:

5x + 2 = 4x - 9 \\ 5x - 4x =  - 9 - 2 \\ x  = - 11

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Answer:

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postnew [5]

Answer:

The line equation in slope-intercept form is:

y\:=-\frac{2}{5}x+4

Hence, option D is true.

Step-by-step explanation:

Given the points

  • (0, 4)
  • (5, 2)

Finding the slope between the points

\left(x_1,\:y_1\right)=\left(0,\:4\right),\:\left(x_2,\:y_2\right)=\left(5,\:2\right)

\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

m=\frac{2-4}{5-0}

m=-\frac{2}{5}

As the y-intercept is obtained by setting the value x = 0.

As we know that when x = 0, the vale of y-intercept y = 4

so the y-intercept is b = 4.

As the slope-intercept form is

substituting the slope m = -2/5 and the y-intercept b=4

y  = mx+b

y\:=-\frac{2}{5}x+4

Therefore, the line equation in slope-intercept form is:

y\:=-\frac{2}{5}x+4

Hence, option D is true.

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