navypeanut
19.09.2019 •
Mathematics
Solve the equation
3x-3=18
a)x=-7
b)x=-5
c)x=-3
d)x=5
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Ответ:
3x - 3 + 3 = 18 + 3
3x = 21
3x/3 = 21/3
x = 7
Ответ: