X+10y=105, x+15y=115 solve by elimination​

Question

X+10y=105, x+15y=115 solve by elimination​

in progress 0
Evelyn 1 week 2021-11-19T18:47:34+00:00 1 Answer 0 views 0

Answers ( )

    0
    2021-11-19T18:48:55+00:00

     x + 10y = 105 •••••(1)

     x + 15y = 115 •••••(2) [subtracting]

    -  \:\:\:\:\:\:       -   \:\:\:\:\:\:      -

    <strong> </strong><strong> </strong>  -5y = -10

       y = 2 ...ans...

    put y = 2 in equ—–(1)

    so,

    x + 10×2 = 105

    x + 20 = 105

    x = 105 -20

    x = 85 ....ans...

Leave an answer

Browse

14:4+1-6*5-7*14:3+5 = ? ( )