Question

Subtract X + Y = 200 and X + 2y = 188

Answer 1

Answer:

y= -12

Step-by-step explanation:

x+y-x-2y=200-188

-y=12

y= -12

Answer 2

(X+y)-(x+2y)=200-188
X+y-x-2y=12
Y-2y=12
-y=12
Y=-12
X+y=200
X+(-12)=200
X=200-(-12)
X=200+12
X=212