Answer / heyyrashmi

Putting value of x=3 in 2x+y=10;
we get 2*3+y=10
or, 6+y=10
or, y=10-6
or, y=4
Now, x-y=3-4=-1Ans.

Answer / guest

6+y=10
y=4
3-4=-1

Answer / m n r

1.2x+y=10
2.x=3
3.so, 2*3+y=10
4.multyply with 2*3 is 6
5.i.e 6+y=10
6.take y first
7.so,y=10-6
8.y=4
9.x-y
10.3-4=-1
11.Ans : -1

Answer / s.rajendran

Given:
2x +y = 10
x = 3

Solution:
if x = 3, then
2(3) +y = 10,
5 + y = 10,
therefore, y = 10-5 and y = 5.

therefore x - y = 3 - 5 = -2

Y = -2.

Answer / umacse.s

2x+y=10........1
x=3............2
mul
2*3+y=10
6+y=10
supp
y=-2
6+2=10
10=8
y=-2

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