Answer:
-5x/5 +5y/5=10/5=2
y-x=2
y=x+2
21x+7*(x+2)=42
21x+7x+14=42
28x=42-14
28x=28
x=1
y=1+2
y=3
Step-by-step explanation:
13x3= 39
10x3=30
3x3=9
30+9=39
Hope it helps!
Let the number be x
Explanation:
±11 is the answer........
charts huh
678/980=x1280 hope this helps
