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telo118 [61]
2 years ago
6

2x+5=12 i don´t know what the value of x is

Mathematics
1 answer:
Ilya [14]2 years ago
3 0

Answer: X = 7/2 or 3.5

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I
ludmilkaskok [199]

Answer:

9 blue marbles

Step-by-step explanation:

4 : 3 ratio

12 : x

12 / 4 = 3

4 × 3 : 3 × 3

12 : 9

4 0
2 years ago
-3x+4>-23 what is the answer I need help
Dmitrij [34]
X<9
The answer is x<9 because you first subtract 4 from both sides then divide both sides by -3. Which then would give you 9.


5 0
2 years ago
NEED HELP ASAP<br><br> Solve the system of equations: <br> Y=3x+5<br> Y=-2x+20
GenaCL600 [577]

Answer:

21

Step-by-step explanation:

because

4 0
2 years ago
Read 2 more answers
Could someone help me with this problem?
Alisiya [41]
The answer is root 65
3 0
2 years ago
3/7 = /12<br> How do I find the answer
guajiro [1.7K]
Cross multiply the denominators by the numerators. In other words, 12 times 3 and 7 times x (x, being our missing number).
We end up with 36 and 7x.
Divide both sides by 7.
36/7x = 5.14
x = 5.14
Hope this helps!
8 0
3 years ago
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