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Neporo4naja [7]
3 years ago
10

Need help solving this equation: -4x + 33 = 2x + 81

Mathematics
2 answers:
maksim [4K]3 years ago
8 0

Answer:

x = -8

Step-by-step explanation:

Collect the like terms

-4x - 2x = 81 - 33

-6x = 48

x = 48 / - 6

x = - 8

Alex17521 [72]3 years ago
4 0

\\ \sf\longmapsto -4x+33=2x+81

\\ \sf\longmapsto -4x-2x=81-33

\\ \sf\longmapsto -6x=48

\\ \sf\longmapsto x=\dfrac{48}{-6}

\\ \sf\longmapsto x=-8

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the ratio of cats to dogs at the city animal shelter today is 5:6.There are 35 cats at the shelter.How many dogs are at the shel
vesna_86 [32]
First we divide the number of cats by its ratio:
35 / 5 = 7

Now we times this number by the ratio of dogs:
7 x 6 = 42

So there are 42 dogs at the shelter today

7 0
3 years ago
7 divide 0.2 = <br> Show your thinking plz I will give brainlyiest
Karo-lina-s [1.5K]
.2 goes into 7 35 times. 

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6 0
3 years ago
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Ralph likes 25 but not 24;400 but not 300;144 but not 145; does he like 10,50,124,200, or 1600
Likurg_2 [28]
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4 0
3 years ago
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stiks02 [169]

Answer:

b

Step-by-step explanation:

2(k-5)+3k=k+6

step 1 distribute the 2 to whats in the parenthesis

2k-10+3k=k+6

step 2 combine any like terms if there are any

5k-10=k+6

step 3 add 10 to each side

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step 4 subtract 1k from each side

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6 0
3 years ago
Select the correct answer.<br> Rewrite the following equation as a function of x.
ivolga24 [154]

Option B:

${f(x)}=9280-20x

Solution:

$\frac{1}{16} x+\frac{1}{320} y-29=0

$\frac{1}{16} x+\frac{1}{320} y-\frac{29}{1} =0

Take LCM of the denominators and Make the denominators same.

LCM of 16, 320, 1 = 320

$\frac{1\times20}{16\times20} x+\frac{1}{320} y-\frac{29\times 320}{1\times 320} =0

$\frac{20}{320} x+\frac{1}{320} y-\frac{9280}{320} =0

All the denominators are same, so you can write in one fraction.

$\frac{20x+y-9280}{320}=0

Do cross multiplication.

${20x+y-9280}=0\times 320

${20x+y-9280}=0

Add 9280 on both sides of the equation.

${20x+y}=9280

Subtract 20x on both sides of the equation.

${y}=9280-20x

Let y = f(x).

${f(x)}=9280-20x

Hence Option B is the correct answer.

6 0
4 years ago
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