6х-8у при х=2/3 у=5/8

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вопрос

To find the value of the expression 6x - 8y when x = 2/3 and y = 5/8, we substitute these values into the expression:

6(2/3) - 8(5/8)

Simplify by multiplying:

= 4 - 5
= -1

Therefore, the value of the expression 6x - 8y when x = 2/3 and y = 5/8 is -1.