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Katarina [22]
4 years ago
15

Solving two step equations

Mathematics
2 answers:
mojhsa [17]4 years ago
8 0
First, you would subtract 6 from both sides

-4x+6=-30
      -6  -6
-4x=-36

Then divide both sides by -4 to get x by itself

-4x=-36
-4    -4
x=9

Hope this helps!
aivan3 [116]4 years ago
5 0

Hi!

Step-by-step explanation:

-4x+6=-30

First, you subtract by 6 from both sides of an equation.

-4x+6-6=-30-6

Then, you solve.

-4x=-36

You divide by -4 from both sides of an equation.

-4x/-4=-36/-4

Finally, you simplify equation to gave us the final answer.

-36/-4=-9

It change negative sign to positive sign.

<u><em>Answer is x=9</em></u>

Hope this helps!

Have a good day! :)

:D

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the memory card on a digital camera can hold about 430 pictures.briana used 20% of the memory card while taking pictures at a fa
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Answer:

86

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5 0
3 years ago
Solve the initial value problem (explicit solution). y y' - cot t = 0 y(pi/2) = -1
Sergeu [11.5K]

This ODE is separable:

yy'-\cot t=0\implies y\,\mathrm dy=\cot t\,\mathrm dt

Integrate both sides to get

\dfrac12y^2=\ln|\sin t|+C

Given that y\left(\frac\pi2\right)=-1, we get

\dfrac12(-1)^2=\ln|\sin\dfrac\pi2\right|+C\implies C=\dfrac12

Then

\dfrac12y^2=\ln|\sin t|+\dfrac12

y^2=2\ln|\sin t|+1

y^2=\ln\sin^2t+1

\implies\boxed{y(t)=\pm\sqrt{\ln\sin^2t+1}

6 0
3 years ago
Stephanie goes shopping on Sunday. She
just olya [345]
Started with: $60
left with: $10
items bought: 20

60 - 10 = 50 < amount spent
  
50/20 = amount spent/items bought
           = $ 2.50 < each chocolate

you can check this by multiplying the items bought and the amount each item cost to get how much you spent

20 × 2.5 = 50

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hope this helps :)









4 0
3 years ago
18x-18y&gt;-6 Write answer with y first, followed by inequality symbol.
allochka39001 [22]
The answer should be y < (-6 - 18x)/ -18
7 0
4 years ago
Solve for x: 5 − (x + 5) &gt; −2(x + 4)
sladkih [1.3K]
5 - (x+5) \ \textgreater \  -2(x+4)
First we work out the brackets

5- x -5 \ \textgreater \  -2x - 8&#10;
-x \ \textgreater \  -2x - 8
Now we add -2x to both sides of the equation

x \ \textgreater \  -8
Hence, the anser is x > -8
5 0
4 years ago
Read 2 more answers
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