Answer:
Answer B!
Explanation:
First solve:
3x+6-2x+4=x+10
Ok so we know x+10 is the answer use the key now:
X is a green rectangle ok so we have that.
1 is a little yellow square so we need 10 of those...
now lets see which one has 1 green rectangle and 10 yellow squares? B!!
Hope this helps!