From the second:
2x-y=4
x=(4+y)/2 and applying this to first:
4+y+3y=12
4y+4=12
4y=8
y=2 and since x=(4+y)/2, x=3 so
x+y=2+3=5
Answer:
The answer is c, a, b, d
Step-by-step explanation:
The answer would be about
Answer:
250
Step-by-step explanation:
5*5=25
25*10=250
+$++$$+$
1/2 × panjang × tinggi..............
