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2 solved examples of solutions to linear systems of equations are provided the work for each problem contains an error first indicate the error and then solve the problem correctly

2 solved examples of solutions to linear systems of equations are provided the work-example-1

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tenemos el siguiente sistema

(1/2)y=x

y=2x ------> ecuacion A

y=x+1 ------> ecuacion B

Vamos a resolverlo por sustitucion

sustituye ecuacion B en ecuacion A

x+1=2x

2x-x=1

x=1

Encuentre el valor de y

sustiyuye el valor de x en la Ec A o la Ec B

y=2x

y=2(1)

y=2

la solucion es (1,2)

User Ellenia
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