5x + 7y = 105x = 3 + 7y – InterviewSolution

1.

5x + 7y = 105x = 3 + 7y

Answer»

X=13/10

Y=1/2

Step-by-step explanation:

5x+7y=10

5x-7y= 3

Subtracting :

14Y = 7

y=7/14

y=1/2

putting the VALUE of y in EQUATION 1

5x+7×1/2=10

5x+7/2=10

5x=10-7/2

5x=(20-7)/2

5x=13/2

10x=13

x=13/10

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