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Charra [1.4K]
3 years ago
11

What is the value of m? 12+(7+m)=30 11 19 25 35 49

Mathematics
2 answers:
mafiozo [28]3 years ago
6 0
We can do anything to an equation as long as we do it to both sides
remember the associative property of addition

a+(b+c)=(a+b)+c
so
12+(7+m)=(12+7)+m=19+m

19+m=30
minus 19 both sides
19-19+m=30-19
0+m=11
m=11
Marat540 [252]3 years ago
4 0
The answer is 11
hope that helps
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