Answer:
37 +x kilometers did Annika bike today
Explanation:
As per the statement: Annika biked 37 km this morning and another x km in the evening .
In morning, annika biked distance(A) = 37 km
And
in evening, She biked distance(B) = x km.
We have to find the total distance did Annika bike today.
Total distance did Annika bike today = A + B
Substitute the given value:
Total distance Annika bike today = 37 + x km
Therefore, 37 +x kilometers did Annika bike today