Respuesta :

x - 14 + 2x + 20 = 90

First, combine like terms: x and 2x, -14 and 20.

x + 2x = 3x

-14 + 20 = 6

3x + 6 = 90

Subtract 6 from both sides.

3x = 84

Divide both sides by 3

x = 28

Answer:

Step-by-step explanation:

X-14+2x+20=90

×+2x=90+14-20

X+2x=84

3x=84

X=84÷3

X=28