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Ratling [72]
3 years ago
9

Solve the equation -6 + 3x = -9

Mathematics
2 answers:
sammy [17]3 years ago
3 0

First you had to add by six from both sides of equation form.

-6+3x+6=-9+6

Then simplify.

3x=-3

Next you divide by three from both sides of equation form.

\frac{3x}{3}= \frac{-3}{3}

Finally simplify by equation.

\frac{-3}{3}=-1

x=-1

Final answer \boxed{x=-1}

Hope this helps!

And thank you for posting your question at here on brainly, and have a great day.

-Charlie

galina1969 [7]3 years ago
3 0

Hey there!!

We have:

... -6+3x=-9

What is the value of 'x' so that it fits the scenario.

<em>If we fit the value of 'x'in the given equation, then, we will have to get -9. </em>

... -6+3x=-9

Now, let's add 6 on both sides so we could get all the variables on one side and the constants on one side.

<em>This would make it easier for us to find out the value x. </em>

... -6 + 3x + 6 = -9 + 6

... 3x = -3

Now, let's divide 3 on both sides to isolate the x.

... 3x / 3 = -3/3

... x = -1.

<em>Hence, the value of x is -1 . </em>

Hope my answer helps!

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Change 4700g into kg
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Answer:

4.7 kilograms

Step-by-step explanation:

[ 1000 g = 1 kg ]

Change 4700g into kg,

→ 4700 ÷ 1000

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Two planes intersect at a line. Not a point.
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I only need 12 and 17, first good response i will give brainliest please i’m desperate
Mumz [18]

Answer:

\textsf{12.} \quad y = 6x - 5

\textsf{17.} \quad y=-\dfrac{1}{4}x-2

Step-by-step explanation:

<h3><u>Question 12</u></h3>

Find the slope of the line by substituting two points from the given table into the slope formula.

<u>Define the points</u>:

  • Let (x₁, y₁) = (2, 7)
  • Let (x₂, y₂) = (3, 13)

\implies \textsf{slope}\:(m)=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{13-7}{3-2}=\dfrac{6}{1}=6

Substitute the found slope and point (2, 7) into the point-slope formula to create an equation of the line:

\implies y-y_1=m(x-x_1)

\implies y-7=6(x-2)

\implies y-7=6x-12

\implies y=6x-5

<h3><u>Question 17</u></h3>

Given:

  • f(4) = 3
  • f(0) = -2

Therefore, two points on the line are:

  • (4, -3)
  • (0, -2)

The y-intercept is the y-value when x = 0.

Therefore, the y-intercept of the line is -2.

\boxed{\begin{minipage}{6.3 cm}\underline{Slope-intercept form of a linear equation}\\\\$y=mx+b$\\\\where:\\ \phantom{ww}$\bullet$ $m$ is the slope. \\ \phantom{ww}$\bullet$ $b$ is the $y$-intercept.\\\end{minipage}}

Substitute the y-intercept and the point (4, 3) into the slope-intercept formula and solve for <em>m</em> to find the slope:

\implies y=mx+b

\implies -3=m(4)-2

\implies -1=4m

\implies m=-\dfrac{1}{4}

Therefore, the equation of the line is:

y=-\dfrac{1}{4}x-2

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A garage contains a combination of 20 bicycles and tricycles in total,there are 44 wheels how many bicycles and how many tricycl
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4 tricycles and 16 bicycles

hope this helps

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