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Identify the error Denise made when solving the following system of equations using the substitution method.

Identify the error Denise made when solving the following system of equations using the substitution method class=

Respuesta :

At second step

[tex]\\ \tt\hookrightarrow 2x+2(3x+1)=6[/tex]

[tex]\\ \tt\hookrightarrow 2x+6x+\boxed{2}=6[/tex]

[tex]\\ \tt\hookrightarrow 8x=4[/tex]

[tex]\\ \tt\hookrightarrow x=1/2[/tex]

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