onlinebby7878
03.03.2020 •
Mathematics
If y(x) = 3x - 1 and s(x) = 2x + 1, which expression is equivalent to
3(6)-1
2(6)+1
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Ответ:
3(3x + 3) - 5x - 4 = 25
9x + 9 - 5x - 4 = 25
9x - 5x - 4 = 16
4x - 4 = 16
4x = 20
x = 5