49(m+4)+98(m-4.5)=196
49m+196+98m-441=196
147m=441-196-196
147m=49
m=147:49
m=3
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49(m+4)+98(m-4.5)=196
49m+196+98m-441=196
147m=441-196-196
147m=49
m=147:49
m=3