taryn1932
22.08.2020 •
Mathematics
Someone solve this ?
Solved
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Answers on questions: Mathematics
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Ответ:
x = 6
Step-by-step explanation:
6(9+x) = 5(3x)
6*9 + 6*x = 5*3x
54 + 6x = 15x
54 = 15x - 6x
54 = 9x
x = 54/9
x = 6
check:
(9+6)/(3*6) = 5/6
15/18 = 5/6
Ответ:
71.5 - .5 = 71
.5 + .5 = 1
71 + 1 = 72
So the answer is 71 and 72