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17-12-2020
Mathematics

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1) Twice a number decreased by four is 32.
What is the number?
Equation:
Ans. 6
I
Step by step please because I don’t understand it

Respuesta :

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17-12-2020

Answer:

x = 18

Step-by-step explanation:

Twice a number becomes 2x, decreased by 4 becomes -4, and combined those terms equal 32.

2x - 4 = 32

2x - 4 + 4 = 32 + 4 (isolate the variable)

2x = 36

x = 18

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