please solve these its urgent
x + 7y = 10 ; 3x - 2y = 7
by simultaneous method
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x+7y=10....×3
3x+2y=7.....×1
3x+21y=30..(.i)
3x+2y=7....(ii)
+ - -
we have 19y=23
y=23/19=1.21
putting the value of y in eqn 1 we have
x+7×23/19=10
x=1.53
sandeepumale:
it is a wrong answer
but i checked 7×1.21+1.53=10
i want a answer x=3 and y=1
this is a answer..
thanxx
welcome
Answered by
0
x+7y=10
3x-2y=7
then
x=3
y=1
Attachments:
is this simultaneous equation
yes
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