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72 - (blank) + 20 = 70 what number is the blank

72 - (blank) + 20 = 70 what number is the blank
asked 133k views
2 votes
72 - (blank) + 20 = 70 what number is the blank

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User Arnav Yagnik
by
8.8k points

2 Answers

1 vote

72-x+20=70 \\ -x+92=70 \\ -x+92-92=70-92

Divide both sides by -1


(-x)/(-1) = (-22)/(-1) =22
answered
User Amir Moghimi
by
7.7k points
6 votes

72-x+20=70 \\ \\ 92-x=70 \\ \\ -x=-22 \\ \\ x=22 \\ \\ blank=22
answered
User Kristoffer La Cour
by
8.4k points
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