Galinastamati2003ask
a fost răspuns

1+{2×[3+(x-4 )×5]÷6}×7=8​

Răspuns :

Vred250ask

1+{2×[3+(x-4 )×5]÷6}×7=8

1+[2×(-17+5x)/6]×7=8

1+(-17+5x/6)×7=8

1+[7(-17+5x)/6]=8

1+(-119+35x/3)=8

3-119+35x=8

35x=24+116

x=4

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