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{3x – 4x = 1
{ x + 34 = 9
\\\\\\\\\\\\\
{ –x = 1
{ x = 9 – 34
\\\\\\\\\\
{ x = –1
{x = 25
espero ter colaborado!)
{ x + 34 = 9
\\\\\\\\\\\\\
{ –x = 1
{ x = 9 – 34
\\\\\\\\\\
{ x = –1
{x = 25
espero ter colaborado!)
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