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steposvetlana [31]
3 years ago
10

Question 3

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
7 0

Answer:

The system has exactly one solution where x = 0 and y = -3.

Step-by-step explanation:

-6x + y = -3

7x - y = 3

(7x - 6x) + (y - y) = 3 - 3

x + 0 = 0

x = 0

7(0) - y = 3

0 - y = 3

-y = 3

y = -3

-6(0) + y = -3

0 + y = -3

y = -3

So, the system has exactly one solution where x = 0 and y = -3.

Hope this helps!

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Nesterboy [21]

i think a. hope it helps

5 0
3 years ago
I think of a number multiply by two then subtract 9
EastWind [94]

Answer:

2n - 9

Step-by-step explanation:

Let the number be n.  Then "a number multiply by two then subtract 9" yields

2n - 9

3 0
3 years ago
Solve for b:<br><br> 6b+14 = -7-b
vladimir2022 [97]

Answer:

b = -3

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

6b+14=−7−b

6b+14=−7+−b

6b+14=−b−7

Step 2: Add b to both sides.

6b+14+b=−b−7+b

7b+14=−7

Step 3: Subtract 14 from both sides.

7b+14−14=−7−14

7b=−21

Step 4: Divide both sides by 7.

\frac{7b}{7} = \frac{-21}{7}

b= -3

3 0
3 years ago
Read 2 more answers
Charles biked 2/3 of a kilometer yesterday he biked 7 times as far today how many kilometers did Charles bike today
satela [25.4K]
Hello!

Yesterday he biked \frac{2}{3} of a kilometer. Today he biked 7 times as far.
\frac{2}{3} x 7 = \frac{14}{3}
Now simplify to get 4 \frac{2}{3}
That is your answer.

Enjoy.
~Isabella
8 0
4 years ago
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Please help me on this
babymother [125]
Use cross multiplication to should get you the answer... 5/12
4 0
3 years ago
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