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(2x+10)*(-3)+|-20|=x+46 =>determinati x

Răspuns :

[tex](2x+10)*(-3)+20=x+46 \\ -6x-30+20=x+46 \\ -30+20=6x+x+46 \\ -10=7x+46 \\ 7x=-10-46 \\ 7x=-56 \\ x=- \frac{56}{7}=-8 [/tex]