Question

If x+2y=8 and 2x+Y=10.find the value of x+y.

Answer 1

here is your answer

Answer 2

Hey friend, Here is your answer-
X + 2y = 8....... (1)
2x + y = 10........ (2)

Multiply equation 1 by 2 ,
2x + 4y = 16......... (3)

Subtract equation 2 from 3 ,
2x + 4y = 16
-
2x + y = 10
__________
3y = 6
y = 6/3
y = 2

Substitute y=2 in equation 1 ,
x + 2× 2 = 8
x + 4 = 8
x = 4

We have to find x+y ,
4 + 2 = 6
Therefore x + y = 6

Hope it will help you.
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