Question

x+7y=10;3x-2y=7
ans with explanation ​

Answer 1

Step-by-step explanation:

x=10-7y , 3(10- 7y)-2y =7

30-21y-2y=7

-21y-2y=7 -30

-23y= - 23

y= - 23/ - 23

y= + 1

Answer 2

Answer:

3x+21y=30

3x-2y=7

________

23y=23

or,y=1

x+7×1=10

or,x+7=10

or,x=10-7

or,x=3