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masha68 [24]
3 years ago
5

21 is the quotient of twice a number minus 8. What is the expression?

Mathematics
2 answers:
Archy [21]3 years ago
5 0
21+2-8 just add then subtract
kvasek [131]3 years ago
3 0
Hello.

The expression I believe would be:

21 = 8 - 2n

Hope it helps!
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melisa1 [442]

Answer:

(-2, -4)

Step-by-step explanation:

Given:

The system of equations to solve is given as:

y=2x\\\\x+y=-6

In order to solve this system of linear equations, we use substitution method.

In substitution method, we substitute the value of any one variable in the other equation.

So, we substitute the value of 'y' from first equation in the second equation.

This gives,

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Dividing both sides by 3, we get:

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