Question

2y-x=0 ; 1ox+15y=105 substituted method​

Answer 1

Answer:

x= 42 , y=21

Step-by-step explanation:

2y-x=0 .....1

10x- 15y = 105 .........2

from eqn. 1

x= 2y

put this value in eqn 2

10(2y)-15y = 105

20y-15y= 105

y = 21

and x = 2x21= 42

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