Question

Genteee me ajudaa
-3(2x-3)-7=20​

Answer 1

Resposta:

2x-3 = 20 - 7 - 3

2x-3 = 10

2x = 10 - 3

2x = 7

x = 7÷2

x = 3,5

Answer 2

-3(2x-3)-7=20
-6x+9-7=20
-6x=20-9+7
-6x=18
-6x=18(-1)
6x=-18
x=-18/6
x=-3