Ohm Math help
A BLOG ON MATHEMATICS
Tuesday, 8 September 2015
#Homework help solve the two equations
For #
Homework help contact me.
Solve by elimination:
2x+y=7….(i)
x-7y=5…(ii)
(i)-2*(ii)
2x+y-7-(2x-14y-10)=0
2x+y-7-2x+14y+10=0
15y+3=0
Y=-3/15=-1/5….(iii)
Put value of y in (ii)
x-7(-1/5)=5
x+7/5=5
x=5-7/5=18/5
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