Question

{x+y=250
{2x=3y
??????

Answer 1

x + y = 250 --> x = 250 - y
2x = 3y
2(250 - y) = 3y
500 -2y = 3y
-5y = -500
y = 100


x = 250 - y
x = 250 - 100
x = 150