Question

3x-5y=6
x+5y=7
Find the value of x and y by substitution method​

Answer 1

Answer:

x = 13/4 , y = 3/4

Step-by-step explanation:

3x - 5y = 6   ........1

x + 5y = 7     .......2

From the 2nd equation,

x = 7-5y ..........3

Using  equation 3 in equation 1

3(7-5y) - 5y = 6

21 - 15y - 5y = 6

20y = 15

y = 3/4

Using value of y in equation 2

x + 5(3/4) = 7

x = 7 - (15/4)

x = 13/4

Answer 2

Answer:

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