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Tanya [424]
3 years ago
7

Solve the system of equations:

Mathematics
2 answers:
yanalaym [24]3 years ago
5 0

Answer:

x + y = 9 \\ x + 2x = 9 \\ 3x = 9 \\ x =  \frac{9}{3}  \\ x = 3

pav-90 [236]3 years ago
3 0
The answer is y= 3 (:
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Math 7a using number sense to solve equations
Anika [276]
Simple...

you have: \frac{n}{3} =12


and

\frac{n}{3} =-12

To solve for....\frac{n}{3} =12

Multiply to remove the denominator-->>

3*  \frac{n}{3} =12*3

n=12*3

n=36

Then-->>>

\frac{n}{3} =-12

Do the same thing-->>

3* \frac{n}{3} =-12*3

n=-12*3

n=-36

Thus, your answer.



6 0
3 years ago
Show work too I’ll mark you brainlist hurry lol
lbvjy [14]

Answer:

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Step-by-step explanation:

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