(15+12)+11=15+(___+12)
Answers
Answered by
22
Answer:
(15+12)+11=15+(11_+12)
Answered by
10
Answer:
11 = x
(15+12)+11=15+( 11 +12)
Step-by-step explanation:
(15+12)+11=15+(___+12)
27 +11 = 15 + (___+12)
38 = 15 + (___+12)
38 -15 = (___+12)
23 = x +12
23-12 = x
11 = x
Answer is 11
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