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3 years ago

PLS HELP ME. Use the opposite operation to undo the

Mathematics

2 answers:

AfilCa [17]3 years ago

4 0

Hey!!!!

Here's your answer:

1. 2m=24

or,m=24/2

m=12

2. y-9=30

or,y=30+9

y=39

3. 3x=12

or,X=12/3

x=4

4. k+12.5=30

or,k=30-12.5

k=17.5

5. 3r=15.3

or,r=15.3/3

r=5.1

<h3>Hope it helps....</h3>

Good luck on your assignment

AnnZ [28]3 years ago

3 0

Answer:

see below

Step-by-step explanation:

1. 2m = 24

Divide each side by 2

2m/2 = 24/2

m = 12

2. y – 9 = 30

Add 9 to each side

y-9+9 = 30+9

y = 39

3. X/4 = 12

Multiply each side by 4

x/4*4 = 12*4

x = 48

4. k + 12.5 = 30

Subtract 12.5 from each side

k+12.5-12.5 = 30-12.5

k =17.5

5. 3r = 15.3

Divide by 3

3r/3 = 15.3/3

r =5.1

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3 years ago

First-person to answer with an Explanation get Brainliest

andrew11 [14]

Answer:

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2 years ago

I don't know how to get the answer, but I've been given the answer and it's x=ln 8.

Pie

E^2x - 5e^x = 24

(e^x)^2 - 5e^x =24

let e^x = u

u^2 - 5u = 24

u^2 -5u - 24 =0

(u - 8)(u+3)=0

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since e^x = u then u can't equal -3

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by taking ln for both sides

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3 years ago

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Step-by-step explanation:

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