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ikadub [295]
3 years ago
6

20 POINTS FOR THIS!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Sloan [31]3 years ago
7 0

Answer:

b = 13

Step-by-step explanation:

the value of the discount is a constant, while the total cost of the books is a variable because it depends of the purchase

We can write this equation

5b - 7 = 58

Solve it

1) add 7 at both members

5b -7 + 7 = 58 + 7

5b = 65

2) divide both membera by 5

b = 13

LenaWriter [7]3 years ago
4 0
B=13 add 7 to both numbers then divide by 5
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