Question

solve the linear equation by substitution method
2x-y=11
5x-4y=11​

Answer 1

Answer:

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Answer 2

here , the two equations are

2x-y=11 ----_--------(1)

and

5x-4y=11-----------(2)

from eq (1)-

x=11+y/2

on putting the value of x in eq (2) we get

5(11+y/2)-4y=11

55+5y-8y/2=11

-3y= -33

y= 11

on putting value of y in eq (1) we get

2x-11=11

2x=22

x=11

therefore, x=11=y