4 years ago

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

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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)

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It becomes:

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3 years ago

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3 years ago

What value of x makes the

loris [4]

Answer:

$x = -12$

Step-by-step explanation:

Step 1: Add 1/4x to both sides

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

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

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

Step 2: Subtract 3 from both sides

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

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

Step 3: Multiply both sides by 4/5

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

$-12 = x$

Answer: $x = -12$

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3 years ago

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4 years ago

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

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