Answer :

shownubear1992

Answer:

The mistake was made when we rewrote the equation wrong after dividing 2 to both sides

Step-by-step explanation:

After we divide two on both sides the equation should have been rewriting as   [tex]2x-20=-6[/tex]     not       [tex]6x-20=-12[/tex]

${teks-lihat-gambar} shownubear1992

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