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Vlad [161]
3 years ago
11

If 3 times a certain number is increased by 4 the result is 28. What is the number?

Mathematics
1 answer:
Minchanka [31]3 years ago
8 0
3x+4=28 because 3 times an unknown number was mentioned first and mentioned together so they will be together, increased by 4 is +4 and comes after, the result of is the same as equals so you put the equals sign and whatever number they gave after.
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Explanation about Cardinal number Carolyn relation cardinals ​
nalin [4]

Answer:

Cardinal Numbers

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Step-by-step explanation:

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7 0
3 years ago
(9 x 10) + (20x + 21) = 571<br><br> What does (x) equal
creativ13 [48]
(9 × 10) + (20x + 21) = 571
90 + 20x + 21 = 571
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I hope this helps!
8 0
3 years ago
Read 2 more answers
X+6 /3 = 2+x-2/5
olasank [31]
We can treat this problem like you regularly subtract fractions. First find the common denominator, which is 15.

So:

5(x+6)/15 = 30/15 + 3(x-2)/15

(5x+6)/15 - (30/15) - (3x - 6)/15


As you already know the answer, I'm assuming you can do the rest.

Hope this helps!
3 0
3 years ago
Whats 3/4 of 12 cause its a hard problem fir .e
Naya [18.7K]
Put this in your calculator or use pictures if you'd like. (3/4) x 12 and you'll get 9

4 0
3 years ago
Read 2 more answers
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