Question

if X+Y+Y=20 and Y+X+X=22 find X and Y??​

Answer 1

Step-by-step explanation:

x+2y=20 = x+y=20/2=x+y=10=y=10-x----(1)

2x+y=22---(2)

substitute 2in1

2x+10-x=22

x=22-10

x=12---(3)

substitute 3in1

12+2y=20

2y=20-12

y=8/2

y=4