Question

X+2y=8 & x-4y=10 solve this pair of linear equation in two variable by substitution method

Answer 1

Step-by-step explanation:

x+2y=8. eq 1

x-4y=10. eq 2

from eq 1

x=8-2y

substituting the value of x in eq 2

(8-2y)-4y=10

8-6y=10

-6y=10-8

-6y=2

y=2/-6

y=1/-3....

substituting the value of y in eq 1

x+2×1/-3=8

x+2/-3=8

x-2/3=8

x=8+2/3

x=26/3

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