• Matéria: Matemática
  • Autor: adriannaaa
  • Perguntado 8 anos atrás

calculo de 10y-5(1+y)=3(2y-2)-2

Respostas

respondido por: heloisaferreira15
0
10y-5(2y)=3(y)-2

eu acho

milaamartins200: Y=3
milaamartins200: Substitua o y tem que dar igual 10=20
milaamartins200: Digo 10 =10
heloisaferreira15: ah sim, isso, obg e me desculpe
milaamartins200: 10y - 5(1+y)=3(2y-2)-2
milaamartins200: 10y-5-5y=6y-6-2
milaamartins200: 10y-5y-6y=-6-2+5
milaamartins200: -y=-3
milaamartins200: Se -y = -3, +y. = +3
respondido por: CarlinhaBSL
2
10y-5(1+y)=3(2y-2)-2
10y-5-5y=6y+6-2
10y-5y-6y=6-3+5
-5y-6y=4+5
-11y=9.(-1)
11y=-9
y=9/11

milaamartins200: 3x-2=. -6
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