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2 years ago

-3x-4ya 2Зr + 3y=-3

Mathematics

1 answer:

sweet-ann [11.9K]2 years ago

8 0

Answer:

x= -2 and y=1

Step-by-step explanation:

Given equations:

-3x - 4y = 2

3x + 3y = -3

Adding these two equations, we get:

3y - 4y = -1 ⇒ <em>y=1</em>

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Simultaneous equations 5x+y=28 x+y=2

ludmilkaskok [199]

Answer:

Step-by-step explanation:

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The possible solution of the system is the ordered pair ( x , y )

-------------------------------------------------------------

Let's check if the given ordered pair is the solution of the system of equation:

plug the value of x and y in both equation

$5 \times \frac{13}{2} - \frac{9}{2} = 28$

$\frac{13}{2} - \frac{9}{2} = 2$

Simplify the equalities

$28 = 28$

$2 = 2$

Since , all of the equalities are true, the ordered pair is the solution of the system.

$(x \:, y \: ) = ( \frac{13}{2} \: , - \frac{9}{2})$

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-3x-4ya 2Зr + 3y=-3​

-3x-4ya 2Зr + 3y=-3