Answer:
5x-4y+4
Step-by-step explanation:
3x-4y-2+2x+6
Gathers like terms together:
3x+2x= 5x
-4y= -4y
-2+6= 4
Put it together:
5x-4y+4
Answer:
The value of x is approximately 0.3684.
Step-by-step explanation:
Given:

We need to solve the proportion.
Solution:
Now we can see that;
In given equation one number is fraction and other number is whole number.
Now To make whole number into fraction we will divide by 1.
hence the whole number will be equal to;

Now the new equation will be;

Now by cross multiplication we get;

Now dividing both side by 19 we get;

Hence the value of x is approximately 0.3684.
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<u>Answer:</u>
- The weight after 20 months is 210 kilos.
<u>Step-by-step explanation:</u>
- 1 month = 6 kilos
- => 8 months = 6 x 8 = 48 kilos
- => x + 48 = 138
- => x = 90
<u>This means that the starting point is 90 kilos.</u>
- => 1 month = 6 kilos
- => 20 months = 6 x 20 kilos
- => 20 months = 120 kilos
- => 90 + 120 = weight in 20 months
- => <u>210 kilos = weight in 20 months</u>
Hence,<u> the weight after 20 months is 210 kilos.</u>
Hoped this helped.

Answer:41
Step-by-step explanation:
84-42=41