Question

X = 4Y
X + 6Y = 50

HELPPP PF

Answer 1

Oi Beatriz,

Se X = 4Y

Substituimos ;

4Y + 6Y = 50
10Y = 50
Y = 50/10
Y = 5

Até a proxima

Answer 2

X=4Y
X+6Y=50 •(-1)
-X-6y=-50
-2y=-50
y=50/2 = 25
X=4•Y => X= 4•25 X= 100