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10-01-2022
Mathematics

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If 4 is multiplied to the sum of a number x and 8, the answer is equal to the sum of 13 and 7. What is the value of x?

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10-01-2022

4(x + 8) = 20
4x + 32 = 20
4x = -12
x = -3
or
4(x + 8) = 20
/4 /4
(x + 8) = 5
x = 5 - 8
x = -3

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