Question

(iv)
x + y = 14
x - y = 4..solve this que by substitution metheod​

Answer 1

Answer:

x+y = 14

x-y = 4

Let's add them

Then,

2x + 0 = 18

or, x = 9.

Yhen ,

y = 14-9=5.

We got,

x=9

y=5

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Answer 2

Answer:

Answer :

X = 9 & Y = 4.

Step-by-step explanation:

x+y=14 eq 1 & x-y = 4 eq 2

x = 4+y subst x value in eq 1.

4+y+y = 14

2y = 14-4 = 10

Y = 10/2 = 5.

Since x = 4+y = 4+5 = 9.

X = 9 & Y = 4.