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Nady [450]
3 years ago
11

I think the answer is 38 but i’m not sure.

Mathematics
1 answer:
garik1379 [7]3 years ago
7 0
I think its 38             but I'm not sure                                                       
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Could you guys please solve these equations?
Andrej [43]

Answer:

x = 4

b = 7

n = 40

I hope this helps!!!

Step-by-step explanation:

1) 12x-17 = 6x+7

        +17       +17

*do this because you want to get all of the variables to one side and all of the constants to one side*

12x = 6x + 24

-6x    -6x

6x = 24

*divide by 6 to get x alone, so you 24/6 = 4*

x = 4

2) -8b+1 = -5(b+4)

*must multiply -5 by everything in the parenthesises*

-8b+1 = -5b-20

     -1           -1

-8b= -5b-21

+5b  +5b

-3b = -21

b = 7

3) 350+10(n-7) = 630+2(n-15)

350+10n-70 = 630+2n-30

*combine like terms on both sides of the equation*

280+10n = 600+2n

-280           -280

10n = 320+2n

-2n            -2n

8n = 320

n = 40

8 0
3 years ago
I need help solving this question
PSYCHO15rus [73]
6+_+7=
9+_-8=
9+_+3
11+_-17
5 0
3 years ago
Which ordered pair shows an equivalent ratio of pounds to dollars?
kotegsom [21]

Answer:

As current currency exchange rate: 1 pound = 1.2 dollar, therefore:

(30,12) (25,10) shows an equivalent ratio of pounds to dollars.

Because 30/25 = 12/10 = 6/5 = 1.2

Hope this helps!

:)

5 0
3 years ago
The answer to<br> 6+2(17-13)²
Mamont248 [21]

Answer:

38

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
I have more yeyeyey
frozen [14]

Answer:

<h3>y≤9</h3>

Step-by-step explanation:

8 0
3 years ago
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