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andrew-mc [135]

4 years ago

8

If x and y are both negative when is x-y positive

1 answer:

Vladimir [108]4 years ago

7 0

X-y is positive when y is further away from 0, compared to x. In other words, when y is a larger negative

For example
x = -2
y = -5

x-y = -2-(-5) = -2+5 = 3

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MakcuM [25]

Answer:

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4 years ago

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igomit [66]

The solution of given system of linear equation is:

x=3 and y=10

Step-by-step explanation:

Given equations are:

-8x+5y=26 Eqn 1

9x-3y=-3 Eqn 2

Multiplying equation 1 by 9

-72x+45y=234 Eqn 3

Multiplying Equation 2 by 8

72x-24y=-24 Eqn 4

Adding Eqn 3 and 4

$-72x+45y+72x-24y=234-24\\ 21y=210$

Dividing both sides by 21

$\frac{21y}{21}=\frac{210}{21}\\y=10$

Putting y=10 in equation 1

$-8x+5(10)=26\\-8x+50=26$

Subtracting 50 from both sides

$-8x+50-50=26-50\\-8x=-24$

Dividing both sides by -8

$\frac{-8x}{-8}=\frac{-24}{-8}\\x=3$

Hence the solution of given system of linear equation is:

x=3 and y=10

Keywords: Linear Equations, Variables

Learn more about linear equations at:

#learnwithBrainly

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