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tiffany-hunt_60a4162ef169a
tiffany-hunt_60a4162ef169a
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tiffany-hunt_60a4162ef169a
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May 2021
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May 2021
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2x - 10 = x/2 + 50 4x - 20 = x + 100 4x - x = 100 + 20 3x = 120 x = 120 / 3 x = 40
in
dobro de um numero,menos 10,e igual a sua metade mais 50.qual e esse numero.monte a op?
Comment by
tiffany-hunt_60a4162ef169a
May 2021
