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Romashka-Z-Leto [24]
4 years ago
14

8x + 4 = 3 ( x - 1 ) + 7 : solve

Mathematics
2 answers:
VMariaS [17]4 years ago
4 0

Answer:

x=0

Step-by-step explanation:

8x + 4 = 3 ( x - 1 ) + 7

Distribute

8x +4 = 3x-3 +7

Combine like terms

8x+4 = 3x +4

Subtract 4 from each side

8x = 3x

Subtract 3x from each side

5x =0

x=0

Reil [10]4 years ago
3 0

Answer:

\boxed{x=0}

Step-by-step explanation:

8x+4=3(x-1)+7

Expand brackets.

8x+4=3x-3+7

8x+4=3x+4

Subtract both sides by 4.

8x=3x

Subtract 3x on both sides.

8x-3x=0

5x=0

Divide both sides by 5.

x=0

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I need help with part B plz help me asap
Sloan [31]

Answer:

see below    PLEASE GIVE BRAINLIEST!!

Step-by-step explanation:

A)  2.40A ≦ 9.60

B) You can choose to purchase between 0 and 4 avacados.  4 is the maximum you can buy because 2.40 x 4 = 9.60 and that is all the money you have and more than 4 would make the equation incorrect.  0 is the least you can buy since you can't purchase a negative amount of something.

So, A ≦ 4

6 0
3 years ago
I need help. I'm stuck on this one
inna [77]
Add 5/9 to both sides. common denominator would be 72 so you would multiply the top and bottom of 3/8 by 9 (bc 9x8 is 72) to get 27/72. you would multiply top and bottom of 5/9 by 8 to get 40/72 and you would add 40+27 which equals 67 so x=67/72 i believe
4 0
3 years ago
Read 2 more answers
Need help filling in the blanks.. also not sure if the answers i filled in are correct or not.
tino4ka555 [31]

Answer:

See below.

Step-by-step explanation:

For item 2:  

The Net Price Rate = 276 / 460 = 0.60 = 60 % (answer).

Item 3: Net Price Rate =  3247 * 100 / 3820 = 85% (answer).

Item 4 Net Price Rate =  675.11 / * 100 / 987 =  68.4%. (answer).

Item 5 Item's Net Price = 987 * 0.675 = $666.23 (answer).

Item 7 Net price Rate =  2945* 100 / 4750 = 62%. (answer).

Item 8: First find the list place $x:

0.90* 0.80 * 0.70x  = 252   ( the 0.90 , 0.80 and 0.70 come from 100 - 10% = 1 - 0.10 = 0.90  and so on)

0.504 x = 252

x = $500

Answer is List Price = $500 and Net Price Rate = 50.4%.

Item 10  List price =  2890.65 / 0.35 = $8259. (answer)

5 0
3 years ago
ASAP please help me ​
Marizza181 [45]

Answer:

dont really know buy im thinking its A.

Step-by-step explanation:

hope this helps somewhat

7 0
3 years ago
Plz help ASAP
anygoal [31]

Answer:

B.40

Step-by-step explanation:

4 0
3 years ago
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