Solve the following simultaneous equations using SUBTITUTION METHODm+3n=7 and 5m-n=3
2 answers:
Answer: n=2 and m=1
Step-by-step explanation:
m+3n=7 , 5m-n=3
m=7-3n => 5(7-3n)-n=3
=> 35-15n-n=3
=> -16n=-32
=> n=2
n=2 => 5m-2=3
=> m=1
To check:put value of m and n in both equations
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