lenoratoy80 lenoratoy80

31-07-2020
Mathematics

contestada

Sum of two numbers is 20 their difference is 118

Respuesta :

mysydneybear mysydneybear

31-07-2020

Answer:

y = -49 x = 69

Step-by-step explanation:

make an equation

x+y=20 and x-y=118

then you can solve by elimination

x+y=20

x-y=118

=2x=138

x=69

69-y=118

-y=49

y=-49

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