35 - 11m = 3m + 2110 - 9y = 70 - 6y 15 - 8x = 2 - 9x

Question

35 - 11m = 3m + 21

10 - 9y = 70 - 6y

15 - 8x = 2 - 9x

Answer 1

35-11m=3m+21
-11m-3m=21-35
-14m=-14
M=1


10-9у=70-6у
6у-9у=70-10
--3у=60
у=60:(-3)
у=-20