Question

10y+2(10-4y)=-5 me ajudem​

Answer 1

10y+2(10-4y)=-5
10y+2(-4y+1)=-5
10y-8y+20=-5
2y+20=-5
2y+20-20=-5-20
2y=-25

y= -25
2

Answer 2

Resposta:  -25/2

Explicação passo-a-passo:

10y+2(10-4y)=-5

10y+20-8y=-5

10y-8y=-5-20

2y=-25

y=-25/2