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naurelysm
04.11.2019 •
Mathematics
What is the value of x?
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Ответ:
Make a comparison of the corresponding sides
plug in the numbers to the comparison above
simplify the equation
simplify 39 and 65 by dividing them by 13
Do cross multiplication
Solve the equation
5x = 3(x + 18)
5x = 3x + 54
5x - 3x = 54
2x = 54
x = 54/2
x = 27
The value of x
Ответ: