Question

if x+y=5 and x-y=1 variable (x,y) is​

Answer 1

Answer:

Step-by-step explanation:

1. X+Y+X-Y=5+1

2. 2X=6

3. X=3

Plug in the x for an equation.

1. 3+y=5

2. y=2

(3,2)

Answer 2

Answer:

x = 3 ,y=2

Step-by-step explanation:

x+y=5...... eq (1)

x-y=1........ eq(2)

by substitution method

x=5-y

put value of x in eq(2)

(5-y)-y=1

-2y=1-5

-2y=-4

-y=-2

y=2

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