Arviieid
Answered

Solve and check 9m=42m-49

Sagot :

Mlcparra16id
9m = 42m - 49
9m - 42m = 42m - 49 - 42m
-33m = -49
33m = 49
m = 49/33

So we check:
9(49/33) ≟ 42(49/33) - 49
147/11 ≟  686/11 - 49
147/11 ≟  (686-(49*11))/11
147/11 ≟  (686-539)/11
147 = 147/11 TRUE