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3 years ago

I WILL GIVE BRAINLIEST IF FIRST PERSON GET THE ANSWER RIGHT HELP!!!!!!!!!!!!

Mathematics

1 answer:

Dennis_Churaev [7]3 years ago

7 0

Answer:

i would say 74 but i may be wrong

Step-by-step explanation:

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5(y-4)=7(2y+1) I need the answer

8_murik_8 [283]

Answer: $y = -3$

Move all terms containing y to the left, all other terms to the right

Add -14y to each side of the equation

$-20 + 5y + -14y = 7 + 14y + -14y$

Combine like terms: 5y + -14y = -9y

$-20 + -9y = 7 + 14y + -14y$

Combine like terms: 14y + -14y = 0

$-20 + -9y = 7 + 0\\-20 + -9y = 7$

Add '20' to each side of the equation

$-20 + 20 + -9y = 7 + 20$

Combine like terms: -20 + 20 = 0

$0 + -9y = 7 + 20\\-9y = 7 + 20$

Combine like terms: 7 + 20 = 27

$-9y = 27$

Divide each side by -9

$-9y/9=27/-9\\y=-3$

8 0

3 years ago

How to do this? please help

omeli [17]

I can’t see the photo

5 0

2 years ago

Help please. I dont know how to solve

Vinil7 [7]

So the given angles are supplementary (add to 180). You take the two and add them. 21x+5+37x+1. This gets set to equal 180. 58x+6=180. Subtract 6 from both then divide by 58. You get x=3

5 0

2 years ago

On a field trip they take busses and vans. Each bus holds 60 people and each van holds 10 people. If 390 people went on the trip

riadik2000 [5.3K]

Answer:

6 buses and 3 vans

Step-by-step explanation:

5 0

3 years ago

I’m hoping I did this one right

drek231 [11]

The answer actually is 4,245 BUT that is the correct way to do it because you take the smaller population away from the larger population in order to find their difference in sizes.

8 0

3 years ago