2 years ago

Y−2x=4

1 answer:

7 0

Answer:

The answer is x=-5 and y= -8

Step-by-step explanation:

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Gemiola [76]

Hi!

I'm not sure how to slove this, but I do know how to solve it ;D

<h3>We can't know the exact value of y, but we can isolate y on one side. First, multiply by z on both sides. </h3>

$\frac{x+y}{z*z}=3*z$

x + y = 3 * z

<h3>Now subtract x from both sides.</h3>

x - x + y = 3 * z - x

<h2>The answer is y = 3 * z - x</h2>

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3 years ago

krok68 [10]

2x-y=7
y=2x+3
Substitute (2x+3) in for y in the first equation
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Becuase -3 does not equal 7 the answer is no solution

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