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SVETLANKA909090 [29]
3 years ago
9

2x-56=34

Mathematics
2 answers:
inessss [21]3 years ago
7 0

Answer:

x=45

Step-by-step explanation:

2x-56=34

Add 56 to both sides

2x-56+56=34+56

Simplify;

2x=90

Divide both sides by 2

2x/2=90/2

Simplify;

x=45

Talja [164]3 years ago
3 0

Answer:

Hope this helps....

Step-by-step explanation:

2x-56=34

move the constant to the right

2x=34+56

calculate

2x=90

divide both sides

x=45

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Let

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y-------> the number of nonfiction books.

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Part b)  the number of nonfiction books is 7\ nonfiction\ books

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