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LUCKY_DIMON [66]
3 years ago
15

Solve the equation 14=7(2x-4) using two different methods. Show your work. Which method do you prefer? Explain. need help thanks

Mathematics
2 answers:
Jet001 [13]3 years ago
5 0

Answer:

x=3

Step-by-step explanation:

14=7(2x-4)

14/7=2x-4

2=2x-4

2x=2+4

2x=6

x=6/2

x=3

------------

14=7(2x-4)

14=14x-28

14x=14+28

14x=42

x=42/14

x=3

vodka [1.7K]3 years ago
3 0

14=7(2x-4)\\2=2x-4\\2x=6\\x=3\\\\14=7(2x-4)\\14=14x-28\\14x=42\\x=3

I prefer the first method, because I don't do unnecessary multiplication and therefore operate on smaller numbers.

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