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Solve the following by linear equations.
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we will subtract both the equations
3x-2x +8y-9y =7-1=6
x-y =6
x=6-y
we will use the value of x in first equation
3(6-y) +8y =7
18-3y +8y =7
18+5y=7
5y=-11
y= -11/5
x =6-y
= 6-(-11/5)
=41/5
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