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kifflom [539]
4 years ago
9

X^2-4y^2=9; x+2y=1, solve for x and y​

Mathematics
1 answer:
ratelena [41]4 years ago
8 0

Answer:

Step-by-step explanation:

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4 years ago
Use the Elimination method and solve 4x+6y=3 and -10x-15y=-4
aleksandrvk [35]

Answer:

No Solutions

Step-by-step explanation:

Multiply the first equation by 5,and multiply the second equation by 2 to get a least common multiple for the x's.

5(4x+6y=3)

2(−10x−15y=−4)

It becomes:

20x+30y=15

−20x−30y=−8

Add these equations to eliminate y:

0=7

Answer:

No solutions.

4 0
3 years ago
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Vaselesa [24]

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6 0
3 years ago
What value of x makes the
loris [4]

Answer:

x = -12

Step-by-step explanation:

<u>Step 1:  Add 1/4x to both sides</u>

-\frac{1}{4}x - 12 = x + 3

-12 - \frac{1}{4}x + \frac{1}{4}x = x + 3 + \frac{1}{4}x

-12 = \frac{5}{4}x + 3

<u>Step 2:  Subtract 3 from both sides</u>

-12 - 3 = \frac{5}{4}x + 3 - 3

-15 = \frac{5}{4}x

<u>Step 3:  Multiply both sides by 4/5</u>

-15*\frac{4}{5}=\frac{5}{4}x * \frac{4}{5}

-12 = x

Answer:  x = -12

6 0
3 years ago
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