Question

9.3х+3.9=31.8
пожалуйста

Answer 1

9,3х + 3,9 = 31,8

9,3х = 31,8 - 3,9

9,3х = 27,9

х = 27,9 : 9,3

х = 3

Answer 2

$9.3x + 3.9 = 31.8 \\ \\ 9.3x = 31.8 - 3.9 \\ \\ 9.3x = 27.9 \\ \\ x = 27.9 \div 9.3 \\ \\ x = 3$

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