Math, asked by pornima2, 1 year ago

write one solution of the equation,2x+y=10

Answers

Answered by smartcow1

hey there,Answer:

x=4

Explanation:

Step 1) Solve the first equation for y :

2x−2x+y=10−2x

0+y=10−2x

y=10−2x

Step 2) Substitute 10−2x for y in the second equation and solve for x :

5x−(10−2x)=18

5x−10+2x=18

7x−10=18

7x−10+10=18+10

7x−0=28

7x=28

7x7=287

7x7=4

x=4

Hope this helps!

pornima2: thanks

pornima2: good explanation

smartcow1: your welcome

pornima2: but there is only one equation where does the second equation came

smartcow1: this is one equation

pornima2: 5x-y=18

pornima2: frm where this equation came

smartcow1: oh that's if you keep simplifying

pornima2: ok

Answered by Anonymous

here many solution of equation

x= 0 ;y=10

x=1 ;y= 8

x= 2 ;y= 6

y= 0 ;x= 5

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