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25-11-2019
Mathematics

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use your number sense to find the values for x and y that satisfy the equations2x=8

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25-11-2019

Answer:

x = 4

Step-by-step explanation:

Using "number sense"

2x=8

Double a number is 8.

What is half of 8? 4.

Double of 4 is 8.

Therefore the number, x, is 4.

Check:

2x = 8

x = 8/2

x = 4

2x = 8

2(4) = 8

8 = 8

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