greta2004 greta2004

22-07-2021
Mathematics

contestada

Using the following system of equations to help, what is the value of x-2y?
3x + 2y =48
2x +3y =12
Please help.

Respuesta :

binious13 binious13

22-07-2021

X - Y = 36 -> X = 36+ Y
3X + 2Y = 48 -> 3(36+Y)+2Y= 48-> Y = -12
X = 36-12= 24
X -2Y= 24-2.(-12) = 48

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