# Write down in couples of equation with equal roots. x+1800:3=2039 x-800 ·4=40 x • 40=800 x+600=2039 x • (5 · 8) =800 x-200=40

Ivan

313

X+1800: 3=2039 1800:3=2039-x 2039-x=1800:3 2039-x=600 x=2039-600 x=1439 No. 2 x-800*4=40 800*4=40+x 40+x=800*4 40+x=3200 x=3200-40 x=3160

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svyatoslav

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