Question

4(x + 1) =20
2(x + 1) =3 ( x - 1)

Answer 1

Explicación paso a paso:

4(x + 1) =20

4x + 4 =20

4x =20 - 4

4x =16

x =16/4

x =4

Rpta: x=4

2(x + 1) = 3(x - 1)

2x + 2 = 3x - 3

3 + 2 = 3x - 2x

5 = x

Rpta: x = 5