solve equation 2m+3n=10 ,2m+n=20
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sagar390:
thanku
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2m+3n =10
-2m+1n =20
+ - -
_________
2n= -10
n = -5
by putting the value of n in the 1st equation
2m+3n=10
2m+3×-5=10
2m=10+15=25
m=25/2=12.25
-2m+1n =20
+ - -
_________
2n= -10
n = -5
by putting the value of n in the 1st equation
2m+3n=10
2m+3×-5=10
2m=10+15=25
m=25/2=12.25
thanks
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