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marshall27 [118]
3 years ago
7

When 9 times a number is

Mathematics
1 answer:
timurjin [86]3 years ago
7 0
11

9x+30=140-x
+x +x
___________
10x+30=140
-30 -30
___________
10x=110
Divide by 10 on both sides and boom
X=11
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