Question

The salutions for the queations X+y=10 and x-y=2Are​

Answer 1

Answer:

x=4 y=6

Explanation:

y=2+x

by substituting

x+2+x=10

2+2x=10

2x=8

x=4

y=2+4

y=6

Answer 2

Answer:

x=4. y=6

Explanation:

$x + y = 10 - - - - >(1)\\ x - y = 2 \: \: - - - - > (2) \\ in \: EQ(1) \: substitute \: the \: value \: of \: x \\ x = 10 - y \\ (2) \: 10 - y - y = 2 \\ 10 - 2y = 2 \\ - 2y = - 12 \\ y = \frac{12}{2} = 6 \\ x + 6 = 10 \\ x = 4$