Question

×+3(×-4)=4
Cuanto sale....???

Answer 1

Respuesta:

x+3(x-4)=4

2x - 12 = 4

2x = 4 + 12

2x = 16

x = 8

Answer 2

Respuesta:

x = 4

Explicación paso a paso:

$x+3(x-4)=4\\\\x+3\times x+3\times-4=4\\\\x+3x-12=4\\\\4x-12=4\\\\4x=4+12\\\\4x=16\\\\x=\cfrac{16}{4} \\\\\boxed{x=4}$

 

Comprobación:

$x+3(x-4)=4\\\\4+3(4-4)=4\\\\4+3(0)=4\\\\\boxed{4=4}$