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23.) x=2
24.)same
25.)x=3
26.)x=2
27.)x=3
28.)x= -35/11
3:15
Step by step explanation:
10:45
-7:30
———
3:15
I hope this is what you're looking for. The concept of regrouping<span> (borrowing) is so that students can see what actually happens in it. For example, to </span>subtract <span>52 − 38, we write 52 as 50 + 2 (breaking it down into its tens and ones). Then, </span>regrouping<span> means that 50 + 2 becomes 40 + 12.</span>
