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Flura [38]
3 years ago
7

Can someone explain how I do these please ?

Mathematics
2 answers:
Sidana [21]3 years ago
6 0
It is very difficult to explain on a computer or without actually being face to face. It would be best if you could ask your parents or your teacher since I bet they could give you a better answer than anyone on here. 
Arturiano [62]3 years ago
4 0
So first of all you need to find what plus 2 equals for which would be x . Then what plus 2 equals -1 . Then just graph your answers . Thats how i usually do it 
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Write these fractions in least common denominator2/5x+15y 1/2x+6y
Over [174]
Look at deonomators

assuming that the deonomenators are 5x+15y and 2x+6y

find their LCM
factor

5x+15y=5(x+3y)

2x+6y=2(x+3y)

LCM=10(x+3y)=10x+30y

multiply 2/(5x+15y) by 2/2=4/(10x+30y)
multiply 1/(2x+6y) by 5/5=5/(10x+30y)

if we add them
9/(10x+30y)
3 0
3 years ago
Please explain your answer
MariettaO [177]

Answer:

e = -1/2

Step-by-step explanation:

4/3 = -6e - 5/3

transfer -6e to the right

4/3 = -5/3 -6e

Find the LCM of 3,3and 1

and their LCM is 3. So, divide all through by 3

3(4/3) = 3(-5/3) - 6e × 3

4 = -5 -18e

combine

4 + 5 = -18e

9 = -18e

divide by -18

9/ -18 = -18e/ -18

-1/2 = e

e = -1/2


5 0
3 years ago
Solve <br> x-3/x+4 - 3x+2/2x+8
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3 years ago
Work out the size of angle a
satela [25.4K]

Answer:thre

Step-by-step explanation:

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2 years ago
Solve the inequality for x.
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A) - 14 is the correct answer
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