kookycookiefanx
04.12.2019 •
Mathematics
Solve for x if mn =81
a = 9
b = 10
c =11
d =12
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Ответ:
We get -7x -3x = -10x and -10x+8x = -2x
then we get -2x + 2 = -8
-2x = -10
x = 5