2 years ago

Please help

1 answer:

5 0

1) x= 50
2) w= 15
3) z=27
4) m= 8

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Zolol [24]

Tnemos el sisema de ecuaciones:

$\begin{gathered} 5x+2y=-15 \\ 2x-2y=-6 \end{gathered}$

Podemos resolverlo por eliminación sumando ambas ecuaciones y eliminando y. Asi podemos resolver para x:

$\begin{gathered} (5x+2y)+(2x-2y)=(-15)+(-6) \\ 7x+0y=-21 \\ x=-\frac{21}{7} \\ x=-3 \end{gathered}$

Ahora podemos resolver para y con cualquiera de las dos ecuaciones:

$\begin{gathered} 2x-2y=-6 \\ 2\cdot(-3)-2y=-6 \\ -6-2y=-6 \\ -2y=-6+6 \\ -2y=0 \\ y=0 \end{gathered}$

Respuesta: x=-3, y=0

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11 months ago

Misha Larkins [42]

Answer:

It would be A

Step-by-step explanation:

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3 years ago

andre [41]

hope this helps you

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Inessa [10]

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777dan777 [17]

What grade are u in?

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3 years ago