Question

if x+y=4, and x-y=2 find the x and y values​

Answer 1

Answer:

$x + y = 4 \\ x - y = 2 \\ - - - - - \\ 2x = 6 \\ x = \frac{6}{2} \\ \boxed{ \large x = \underline{ \underline{ \bf 3}}} \\ \\ x + y = 4 \\ 3 + y = 4 \\ y = 4 - 3 \\ \boxed{ \large y = \underline{ \underline{ \bf 1}}}$

Answer 2

Step-by-step explanation:

x+y=4 ---(i)

x-y=2 ---(ii)

adding equation (i) and (ii)

x+y=4

+ x-y=2

-----------------

2x = 6

x = 3

subtract equation (ii) in (i)

x + y = 4

x - y = 2

- + -

--------------------

2y = 2

y = 1

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