Question

$\frac{2y}{9} +  \frac{y}{1} = \frac{55}{1}$
Apenas resolva

Answer 1

$Resolu\c{c}\~ao \to \left\{\begin{array}{ccc}\frac{2y}{9}+\frac{y}{1} = \frac{55}{1}\\\\\frac{2y+9y = 495}{9}\\\\11y = 495\\\\\boxed{\boxed{y = \frac{495}{11} =45 }}\end{array}\right$

Espero ter ajudado. =^.^=

Answer 2

Olá,

2y/9 + y/1 = 55/1


(2y+9y)/9 = 55

11y/9 = 55

11y = 9·55

11y = 495

11y/11 = 495/11

y = 45