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Readme [11.4K]
3 years ago
10

How you solve b-9+6b=30

Mathematics
2 answers:
Sav [38]3 years ago
5 0
b - 9 + 6b = 30

b+ 6b - 9 = 30 

7b - 9 = 30

7b = 39

b = \frac{39}{7}

Nice days...........
vladimir2022 [97]3 years ago
5 0
Associative property is moving a+b=b+a
add like terms
1b+6b-9=30
7b-9=30
add 9 to both sides
7b=39
divide both sides by 7
b=39/7
39/7=5 and 4/7
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