1.

X+4y =10 and 2x-2y =2​

Answer»

X+4y =10 ........1

2x-2y =2.........2

form eq1

x= 10-4y

2x-2y =2

divide eq2 by 2

x-y = 1 ...........3

put x in eq3

10-4y -y = 1

-5y = 1-10

-5y = -9

y= 9/5

put y in x

x= 10-4× 9/5

x= 10 - 36 /5

x= 50 -36 /5

x= 14 /5



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