1
\\\
1+3x-1+x=2-x ,- \frac{1}{3} \leq x \leq 1
\\\
-1-3x-1+x=2-x ,x<- \frac{1}{3} " alt="1+3x+1-x=2-x ,x>1
\\\
1+3x-1+x=2-x ,- \frac{1}{3} \leq x \leq 1
\\\
-1-3x-1+x=2-x ,x<- \frac{1}{3} " align="absmiddle" class="latex-formula">
1
\\\
5x=2 ,- \frac{1}{3} \leq x \leq 1
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-x=4 ,x<- \frac{1}{3} " alt="3x=0 ,x>1
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5x=2 ,- \frac{1}{3} \leq x \leq 1
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-x=4 ,x<- \frac{1}{3} " align="absmiddle" class="latex-formula">
1
\\\
x=0.4 ,- \frac{1}{3} \leq x \leq 1
\\\
x=-4 ,x<- \frac{1}{3} " alt="x=0 ,x>1
\\\
x=0.4 ,- \frac{1}{3} \leq x \leq 1
\\\
x=-4 ,x<- \frac{1}{3} " align="absmiddle" class="latex-formula">
Ответ: 0,4 и -4