Respuesta :

Answer:

a) x · 3 + 4 =22

b) x=6

Step-by-step explanation:

x · 3 +4 = 22

Multiply.

3x + 4 = 22

Subtract.

Subtract 4 from both sides to isolate the x.

3x +4 -4= 22 -4

3x = 18

Divide.

Divide both sides by 3 to isolate the x.

[tex]\frac{3x}{3}[/tex]= [tex]\frac{18}{3}[/tex]

x=6