Question

to make 48 + 34 easier to solve, lou decides to first add on from 48 to get to the next ten. add on to get to 50. 48 + \boxed{?} = 50

Explanation:

Step1: Define the unknown value

Let the unknown number be $x$. The equation is $48 + x = 50$.

Step2: Solve for $x$

Rearrange to isolate $x$: $x = 50 - 48$

Answer:

$2$